28345265280

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{26891}}^1$

素因数の和:26980

約数の個数: 256

約数和(自身を含む): 102039004800

約数和(自身を除く): 73693739520

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, 90, 96, 108, 120, 122, 128, 135, 144, 160, 180, 183, 192, 216, 240, 244, 270, 288, 305, 320, 360, 366, 384, 432, 480, 488, 540, 549, 576, 610, 640, 720, 732, 864, 915, 960, 976, 1080, 1098, 1152, 1220, 1440, 1464, 1647, 1728, 1830, 1920, 1952, 2160, 2196, 2440, 2745, 2880, 2928, 3294, 3456, 3660, 3904, 4320, 4392, 4880, 5490, 5760, 5856, 6588, 7320, 7808, 8235, 8640, 8784, 9760, 10980, 11712, 13176, 14640, 16470, 17280, 17568, 19520, 21960, 23424, 26352, 26891, 29280, 32940, 35136, 39040, 43920, 52704, 53782, 58560, 65880, 70272, 80673, 87840, 105408, 107564, 117120, 131760, 134455, 161346, 175680, 210816, 215128, 242019, 263520, 268910, 322692, 351360, 403365, 430256, 484038, 527040, 537820, 645384, 726057, 806730, 860512, 968076, 1054080, 1075640, 1210095, 1290768, 1452114, 1613460, 1640351, 1721024, 1936152, 2151280, 2420190, 2581536, 2904228, 3226920, 3280702, 3442048, 3630285, 3872304, 4302560, 4840380, 4921053, 5163072, 5808456, 6453840, 6561404, 7260570, 7744608, 8201755, 8605120, 9680760, 9842106, 10326144, 11616912, 12907680, 13122808, 14521140, 14763159, 15489216, 16403510, 17210240, 19361520, 19684212, 23233824, 24605265, 25815360, 26245616, 29042280, 29526318, 30978432, 32807020, 38723040, 39368424, 44289477, 46467648, 49210530, 51630720, 52491232, 58084560, 59052636, 65614040, 73815795, 77446080, 78736848, 88578954, 92935296, 98421060, 104982464, 116169120, 118105272, 131228080, 147631590, 154892160, 157473696, 177157908, 196842120, 209964928, 221447385, 232338240, 236210544, 262456160, 295263180, 314947392, 354315816, 393684240, 442894770, 464676480, 472421088, 524912320, 590526360, 629894784, 708631632, 787368480, 885789540, 944842176, 1049824640, 1181052720, 1417263264, 1574736960, 1771579080, 1889684352, 2362105440, 2834526528, 3149473920, 3543158160, 4724210880, 5669053056, 7086316320, 9448421760, 14172632640, 28345265280]

約数ペア:

[(1, 28345265280), (2, 14172632640), (3, 9448421760), (4, 7086316320), (5, 5669053056), (6, 4724210880), (8, 3543158160), (9, 3149473920), (10, 2834526528), (12, 2362105440), (15, 1889684352), (16, 1771579080), (18, 1574736960), (20, 1417263264), (24, 1181052720), (27, 1049824640), (30, 944842176), (32, 885789540), (36, 787368480), (40, 708631632), (45, 629894784), (48, 590526360), (54, 524912320), (60, 472421088), (61, 464676480), (64, 442894770), (72, 393684240), (80, 354315816), (90, 314947392), (96, 295263180), (108, 262456160), (120, 236210544), (122, 232338240), (128, 221447385), (135, 209964928), (144, 196842120), (160, 177157908), (180, 157473696), (183, 154892160), (192, 147631590), (216, 131228080), (240, 118105272), (244, 116169120), (270, 104982464), (288, 98421060), (305, 92935296), (320, 88578954), (360, 78736848), (366, 77446080), (384, 73815795), (432, 65614040), (480, 59052636), (488, 58084560), (540, 52491232), (549, 51630720), (576, 49210530), (610, 46467648), (640, 44289477), (720, 39368424), (732, 38723040), (864, 32807020), (915, 30978432), (960, 29526318), (976, 29042280), (1080, 26245616), (1098, 25815360), (1152, 24605265), (1220, 23233824), (1440, 19684212), (1464, 19361520), (1647, 17210240), (1728, 16403510), (1830, 15489216), (1920, 14763159), (1952, 14521140), (2160, 13122808), (2196, 12907680), (2440, 11616912), (2745, 10326144), (2880, 9842106), (2928, 9680760), (3294, 8605120), (3456, 8201755), (3660, 7744608), (3904, 7260570), (4320, 6561404), (4392, 6453840), (4880, 5808456), (5490, 5163072), (5760, 4921053), (5856, 4840380), (6588, 4302560), (7320, 3872304), (7808, 3630285), (8235, 3442048), (8640, 3280702), (8784, 3226920), (9760, 2904228), (10980, 2581536), (11712, 2420190), (13176, 2151280), (14640, 1936152), (16470, 1721024), (17280, 1640351), (17568, 1613460), (19520, 1452114), (21960, 1290768), (23424, 1210095), (26352, 1075640), (26891, 1054080), (29280, 968076), (32940, 860512), (35136, 806730), (39040, 726057), (43920, 645384), (52704, 537820), (53782, 527040), (58560, 484038), (65880, 430256), (70272, 403365), (80673, 351360), (87840, 322692), (105408, 268910), (107564, 263520), (117120, 242019), (131760, 215128), (134455, 210816), (161346, 175680)]