640748160

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:280

約数の個数: 384

約数和(自身を含む): 2450448000

約数和(自身を除く): 1809699840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 43, 45, 48, 52, 60, 64, 65, 72, 78, 80, 86, 90, 96, 104, 117, 120, 128, 129, 130, 144, 156, 160, 172, 180, 192, 195, 199, 208, 215, 234, 240, 258, 260, 288, 312, 320, 344, 360, 384, 387, 390, 398, 416, 430, 468, 480, 516, 520, 559, 576, 585, 597, 624, 640, 645, 688, 720, 774, 780, 796, 832, 860, 936, 960, 995, 1032, 1040, 1118, 1152, 1170, 1194, 1248, 1290, 1376, 1440, 1548, 1560, 1592, 1664, 1677, 1720, 1791, 1872, 1920, 1935, 1990, 2064, 2080, 2236, 2340, 2388, 2496, 2580, 2587, 2752, 2795, 2880, 2985, 3096, 3120, 3184, 3354, 3440, 3582, 3744, 3870, 3980, 4128, 4160, 4472, 4680, 4776, 4992, 5031, 5160, 5174, 5504, 5590, 5760, 5970, 6192, 6240, 6368, 6708, 6880, 7164, 7488, 7740, 7761, 7960, 8256, 8320, 8385, 8557, 8944, 8955, 9360, 9552, 10062, 10320, 10348, 11180, 11940, 12384, 12480, 12736, 12935, 13416, 13760, 14328, 14976, 15480, 15522, 15920, 16512, 16770, 17114, 17888, 17910, 18720, 19104, 20124, 20640, 20696, 22360, 23283, 23880, 24768, 24960, 25155, 25472, 25671, 25870, 26832, 27520, 28656, 30960, 31044, 31840, 33540, 34228, 35776, 35820, 37440, 38208, 38805, 40248, 41280, 41392, 42785, 44720, 46566, 47760, 49536, 50310, 51342, 51740, 53664, 57312, 61920, 62088, 63680, 67080, 68456, 71552, 71640, 74880, 76416, 77013, 77610, 80496, 82560, 82784, 85570, 89440, 93132, 95520, 100620, 102684, 103480, 107328, 111241, 114624, 116415, 123840, 124176, 127360, 128355, 134160, 136912, 143280, 154026, 155220, 160992, 165568, 171140, 178880, 186264, 191040, 201240, 205368, 206960, 214656, 222482, 229248, 232830, 247680, 248352, 256710, 268320, 273824, 286560, 308052, 310440, 321984, 331136, 333723, 342280, 357760, 372528, 382080, 385065, 402480, 410736, 413920, 444964, 465660, 496704, 513420, 536640, 547648, 556205, 573120, 616104, 620880, 643968, 667446, 684560, 745056, 770130, 804960, 821472, 827840, 889928, 931320, 993408, 1001169, 1026840, 1073280, 1095296, 1112410, 1146240, 1232208, 1241760, 1334892, 1369120, 1490112, 1540260, 1609920, 1642944, 1655680, 1668615, 1779856, 1862640, 2002338, 2053680, 2224820, 2464416, 2483520, 2669784, 2738240, 2980224, 3080520, 3219840, 3285888, 3337230, 3559712, 3725280, 4004676, 4107360, 4449640, 4928832, 4967040, 5005845, 5339568, 5476480, 6161040, 6674460, 7119424, 7450560, 8009352, 8214720, 8899280, 9857664, 10011690, 10679136, 12322080, 13348920, 14238848, 14901120, 16018704, 16429440, 17798560, 20023380, 21358272, 24644160, 26697840, 32037408, 35597120, 40046760, 42716544, 49288320, 53395680, 64074816, 71194240, 80093520, 106791360, 128149632, 160187040, 213582720, 320374080, 640748160]

約数ペア:

[(1, 640748160), (2, 320374080), (3, 213582720), (4, 160187040), (5, 128149632), (6, 106791360), (8, 80093520), (9, 71194240), (10, 64074816), (12, 53395680), (13, 49288320), (15, 42716544), (16, 40046760), (18, 35597120), (20, 32037408), (24, 26697840), (26, 24644160), (30, 21358272), (32, 20023380), (36, 17798560), (39, 16429440), (40, 16018704), (43, 14901120), (45, 14238848), (48, 13348920), (52, 12322080), (60, 10679136), (64, 10011690), (65, 9857664), (72, 8899280), (78, 8214720), (80, 8009352), (86, 7450560), (90, 7119424), (96, 6674460), (104, 6161040), (117, 5476480), (120, 5339568), (128, 5005845), (129, 4967040), (130, 4928832), (144, 4449640), (156, 4107360), (160, 4004676), (172, 3725280), (180, 3559712), (192, 3337230), (195, 3285888), (199, 3219840), (208, 3080520), (215, 2980224), (234, 2738240), (240, 2669784), (258, 2483520), (260, 2464416), (288, 2224820), (312, 2053680), (320, 2002338), (344, 1862640), (360, 1779856), (384, 1668615), (387, 1655680), (390, 1642944), (398, 1609920), (416, 1540260), (430, 1490112), (468, 1369120), (480, 1334892), (516, 1241760), (520, 1232208), (559, 1146240), (576, 1112410), (585, 1095296), (597, 1073280), (624, 1026840), (640, 1001169), (645, 993408), (688, 931320), (720, 889928), (774, 827840), (780, 821472), (796, 804960), (832, 770130), (860, 745056), (936, 684560), (960, 667446), (995, 643968), (1032, 620880), (1040, 616104), (1118, 573120), (1152, 556205), (1170, 547648), (1194, 536640), (1248, 513420), (1290, 496704), (1376, 465660), (1440, 444964), (1548, 413920), (1560, 410736), (1592, 402480), (1664, 385065), (1677, 382080), (1720, 372528), (1791, 357760), (1872, 342280), (1920, 333723), (1935, 331136), (1990, 321984), (2064, 310440), (2080, 308052), (2236, 286560), (2340, 273824), (2388, 268320), (2496, 256710), (2580, 248352), (2587, 247680), (2752, 232830), (2795, 229248), (2880, 222482), (2985, 214656), (3096, 206960), (3120, 205368), (3184, 201240), (3354, 191040), (3440, 186264), (3582, 178880), (3744, 171140), (3870, 165568), (3980, 160992), (4128, 155220), (4160, 154026), (4472, 143280), (4680, 136912), (4776, 134160), (4992, 128355), (5031, 127360), (5160, 124176), (5174, 123840), (5504, 116415), (5590, 114624), (5760, 111241), (5970, 107328), (6192, 103480), (6240, 102684), (6368, 100620), (6708, 95520), (6880, 93132), (7164, 89440), (7488, 85570), (7740, 82784), (7761, 82560), (7960, 80496), (8256, 77610), (8320, 77013), (8385, 76416), (8557, 74880), (8944, 71640), (8955, 71552), (9360, 68456), (9552, 67080), (10062, 63680), (10320, 62088), (10348, 61920), (11180, 57312), (11940, 53664), (12384, 51740), (12480, 51342), (12736, 50310), (12935, 49536), (13416, 47760), (13760, 46566), (14328, 44720), (14976, 42785), (15480, 41392), (15522, 41280), (15920, 40248), (16512, 38805), (16770, 38208), (17114, 37440), (17888, 35820), (17910, 35776), (18720, 34228), (19104, 33540), (20124, 31840), (20640, 31044), (20696, 30960), (22360, 28656), (23283, 27520), (23880, 26832), (24768, 25870), (24960, 25671), (25155, 25472)]