20405934720

素因数分解:

$2^7\times 3^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:340

約数の個数: 512

約数和(自身を含む): 74673792000

約数和(自身を除く): 54267857280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 61, 64, 72, 80, 81, 90, 96, 108, 120, 122, 128, 135, 144, 160, 162, 180, 183, 192, 216, 239, 240, 243, 244, 270, 288, 305, 320, 324, 360, 366, 384, 405, 432, 478, 480, 486, 488, 540, 549, 576, 610, 640, 648, 717, 720, 729, 732, 810, 864, 915, 956, 960, 972, 976, 1080, 1098, 1152, 1195, 1215, 1220, 1296, 1434, 1440, 1458, 1464, 1620, 1647, 1728, 1830, 1912, 1920, 1944, 1952, 2151, 2160, 2187, 2196, 2390, 2430, 2440, 2592, 2745, 2868, 2880, 2916, 2928, 3240, 3294, 3456, 3585, 3645, 3660, 3824, 3888, 3904, 4302, 4320, 4374, 4392, 4780, 4860, 4880, 4941, 5184, 5490, 5736, 5760, 5832, 5856, 6453, 6480, 6588, 7170, 7290, 7320, 7648, 7776, 7808, 8235, 8604, 8640, 8748, 8784, 9560, 9720, 9760, 9882, 10368, 10755, 10935, 10980, 11472, 11664, 11712, 12906, 12960, 13176, 14340, 14579, 14580, 14640, 14823, 15296, 15552, 16470, 17208, 17280, 17496, 17568, 19120, 19359, 19440, 19520, 19764, 21510, 21870, 21960, 22944, 23328, 23424, 24705, 25812, 25920, 26352, 28680, 29158, 29160, 29280, 29646, 30592, 31104, 32265, 32940, 34416, 34992, 35136, 38240, 38718, 38880, 39040, 39528, 43020, 43737, 43740, 43920, 44469, 45888, 46656, 49410, 51624, 51840, 52704, 57360, 58077, 58316, 58320, 58560, 59292, 64530, 65880, 68832, 69984, 70272, 72895, 74115, 76480, 77436, 77760, 79056, 86040, 87474, 87480, 87840, 88938, 91776, 93312, 96795, 98820, 103248, 105408, 114720, 116154, 116632, 116640, 117120, 118584, 129060, 131211, 131760, 133407, 137664, 139968, 145790, 148230, 152960, 154872, 155520, 158112, 172080, 174231, 174948, 174960, 175680, 177876, 193590, 197640, 206496, 210816, 218685, 222345, 229440, 232308, 233264, 233280, 237168, 258120, 262422, 263520, 266814, 275328, 279936, 290385, 291580, 296460, 309744, 316224, 344160, 348462, 349896, 349920, 351360, 355752, 387180, 393633, 395280, 412992, 437370, 444690, 458880, 464616, 466528, 466560, 474336, 516240, 522693, 524844, 527040, 533628, 580770, 583160, 592920, 619488, 632448, 656055, 667035, 688320, 696924, 699792, 699840, 711504, 774360, 787266, 790560, 825984, 871155, 874740, 889380, 929232, 933056, 948672, 1032480, 1045386, 1049688, 1054080, 1067256, 1161540, 1166320, 1180899, 1185840, 1238976, 1312110, 1334070, 1376640, 1393848, 1399584, 1399680, 1423008, 1548720, 1574532, 1581120, 1742310, 1749480, 1778760, 1858464, 1866112, 1897344, 1968165, 2064960, 2090772, 2099376, 2134512, 2323080, 2332640, 2361798, 2371680, 2477952, 2613465, 2624220, 2668140, 2787696, 2799168, 2846016, 3097440, 3149064, 3162240, 3484620, 3498960, 3542697, 3557520, 3716928, 3936330, 4129920, 4181544, 4198752, 4269024, 4646160, 4665280, 4723596, 4743360, 5226930, 5248440, 5336280, 5575392, 5598336, 5692032, 5904495, 6194880, 6298128, 6969240, 6997920, 7085394, 7115040, 7433856, 7872660, 8363088, 8397504, 8538048, 9292320, 9330560, 9447192, 9486720, 10453860, 10496880, 10628091, 10672560, 11150784, 11808990, 12389760, 12596256, 13938480, 13995840, 14170788, 14230080, 15745320, 16726176, 16795008, 17076096, 17713485, 18584640, 18894384, 20907720, 20993760, 21256182, 21345120, 22301568, 23617980, 25192512, 27876960, 27991680, 28341576, 28460160, 31490640, 31884273, 33452352, 35426970, 37169280, 37788768, 41815440, 41987520, 42512364, 42690240, 47235960, 50385024, 53140455, 55753920, 56683152, 62981280, 63768546, 66904704, 70853940, 75577536, 83630880, 83975040, 85024728, 85380480, 94471920, 106280910, 111507840, 113366304, 125962560, 127537092, 141707880, 151155072, 159421365, 167261760, 170049456, 188943840, 212561820, 226732608, 251925120, 255074184, 283415760, 318842730, 334523520, 340098912, 377887680, 425123640, 453465216, 510148368, 566831520, 637685460, 680197824, 755775360, 850247280, 1020296736, 1133663040, 1275370920, 1360395648, 1700494560, 2040593472, 2267326080, 2550741840, 3400989120, 4081186944, 5101483680, 6801978240, 10202967360, 20405934720]

約数ペア:

[(1, 20405934720), (2, 10202967360), (3, 6801978240), (4, 5101483680), (5, 4081186944), (6, 3400989120), (8, 2550741840), (9, 2267326080), (10, 2040593472), (12, 1700494560), (15, 1360395648), (16, 1275370920), (18, 1133663040), (20, 1020296736), (24, 850247280), (27, 755775360), (30, 680197824), (32, 637685460), (36, 566831520), (40, 510148368), (45, 453465216), (48, 425123640), (54, 377887680), (60, 340098912), (61, 334523520), (64, 318842730), (72, 283415760), (80, 255074184), (81, 251925120), (90, 226732608), (96, 212561820), (108, 188943840), (120, 170049456), (122, 167261760), (128, 159421365), (135, 151155072), (144, 141707880), (160, 127537092), (162, 125962560), (180, 113366304), (183, 111507840), (192, 106280910), (216, 94471920), (239, 85380480), (240, 85024728), (243, 83975040), (244, 83630880), (270, 75577536), (288, 70853940), (305, 66904704), (320, 63768546), (324, 62981280), (360, 56683152), (366, 55753920), (384, 53140455), (405, 50385024), (432, 47235960), (478, 42690240), (480, 42512364), (486, 41987520), (488, 41815440), (540, 37788768), (549, 37169280), (576, 35426970), (610, 33452352), (640, 31884273), (648, 31490640), (717, 28460160), (720, 28341576), (729, 27991680), (732, 27876960), (810, 25192512), (864, 23617980), (915, 22301568), (956, 21345120), (960, 21256182), (972, 20993760), (976, 20907720), (1080, 18894384), (1098, 18584640), (1152, 17713485), (1195, 17076096), (1215, 16795008), (1220, 16726176), (1296, 15745320), (1434, 14230080), (1440, 14170788), (1458, 13995840), (1464, 13938480), (1620, 12596256), (1647, 12389760), (1728, 11808990), (1830, 11150784), (1912, 10672560), (1920, 10628091), (1944, 10496880), (1952, 10453860), (2151, 9486720), (2160, 9447192), (2187, 9330560), (2196, 9292320), (2390, 8538048), (2430, 8397504), (2440, 8363088), (2592, 7872660), (2745, 7433856), (2868, 7115040), (2880, 7085394), (2916, 6997920), (2928, 6969240), (3240, 6298128), (3294, 6194880), (3456, 5904495), (3585, 5692032), (3645, 5598336), (3660, 5575392), (3824, 5336280), (3888, 5248440), (3904, 5226930), (4302, 4743360), (4320, 4723596), (4374, 4665280), (4392, 4646160), (4780, 4269024), (4860, 4198752), (4880, 4181544), (4941, 4129920), (5184, 3936330), (5490, 3716928), (5736, 3557520), (5760, 3542697), (5832, 3498960), (5856, 3484620), (6453, 3162240), (6480, 3149064), (6588, 3097440), (7170, 2846016), (7290, 2799168), (7320, 2787696), (7648, 2668140), (7776, 2624220), (7808, 2613465), (8235, 2477952), (8604, 2371680), (8640, 2361798), (8748, 2332640), (8784, 2323080), (9560, 2134512), (9720, 2099376), (9760, 2090772), (9882, 2064960), (10368, 1968165), (10755, 1897344), (10935, 1866112), (10980, 1858464), (11472, 1778760), (11664, 1749480), (11712, 1742310), (12906, 1581120), (12960, 1574532), (13176, 1548720), (14340, 1423008), (14579, 1399680), (14580, 1399584), (14640, 1393848), (14823, 1376640), (15296, 1334070), (15552, 1312110), (16470, 1238976), (17208, 1185840), (17280, 1180899), (17496, 1166320), (17568, 1161540), (19120, 1067256), (19359, 1054080), (19440, 1049688), (19520, 1045386), (19764, 1032480), (21510, 948672), (21870, 933056), (21960, 929232), (22944, 889380), (23328, 874740), (23424, 871155), (24705, 825984), (25812, 790560), (25920, 787266), (26352, 774360), (28680, 711504), (29158, 699840), (29160, 699792), (29280, 696924), (29646, 688320), (30592, 667035), (31104, 656055), (32265, 632448), (32940, 619488), (34416, 592920), (34992, 583160), (35136, 580770), (38240, 533628), (38718, 527040), (38880, 524844), (39040, 522693), (39528, 516240), (43020, 474336), (43737, 466560), (43740, 466528), (43920, 464616), (44469, 458880), (45888, 444690), (46656, 437370), (49410, 412992), (51624, 395280), (51840, 393633), (52704, 387180), (57360, 355752), (58077, 351360), (58316, 349920), (58320, 349896), (58560, 348462), (59292, 344160), (64530, 316224), (65880, 309744), (68832, 296460), (69984, 291580), (70272, 290385), (72895, 279936), (74115, 275328), (76480, 266814), (77436, 263520), (77760, 262422), (79056, 258120), (86040, 237168), (87474, 233280), (87480, 233264), (87840, 232308), (88938, 229440), (91776, 222345), (93312, 218685), (96795, 210816), (98820, 206496), (103248, 197640), (105408, 193590), (114720, 177876), (116154, 175680), (116632, 174960), (116640, 174948), (117120, 174231), (118584, 172080), (129060, 158112), (131211, 155520), (131760, 154872), (133407, 152960), (137664, 148230), (139968, 145790)]