640420320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{223}}^1$

素因数の和:465

約数の個数: 192

約数和(自身を含む): 2102575104

約数和(自身を除く): 1462154784

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 120, 124, 155, 160, 186, 193, 223, 240, 248, 310, 372, 386, 446, 465, 480, 496, 579, 620, 669, 744, 772, 892, 930, 965, 992, 1115, 1158, 1240, 1338, 1488, 1544, 1784, 1860, 1930, 2230, 2316, 2480, 2676, 2895, 2976, 3088, 3345, 3568, 3720, 3860, 4460, 4632, 4960, 5352, 5790, 5983, 6176, 6690, 6913, 7136, 7440, 7720, 8920, 9264, 10704, 11580, 11966, 13380, 13826, 14880, 15440, 17840, 17949, 18528, 20739, 21408, 23160, 23932, 26760, 27652, 29915, 30880, 34565, 35680, 35898, 41478, 43039, 46320, 47864, 53520, 55304, 59830, 69130, 71796, 82956, 86078, 89745, 92640, 95728, 103695, 107040, 110608, 119660, 129117, 138260, 143592, 165912, 172156, 179490, 191456, 207390, 215195, 221216, 239320, 258234, 276520, 287184, 331824, 344312, 358980, 414780, 430390, 478640, 516468, 553040, 574368, 645585, 663648, 688624, 717960, 829560, 860780, 957280, 1032936, 1106080, 1291170, 1334209, 1377248, 1435920, 1659120, 1721560, 2065872, 2582340, 2668418, 2871840, 3318240, 3443120, 4002627, 4131744, 5164680, 5336836, 6671045, 6886240, 8005254, 10329360, 10673672, 13342090, 16010508, 20013135, 20658720, 21347344, 26684180, 32021016, 40026270, 42694688, 53368360, 64042032, 80052540, 106736720, 128084064, 160105080, 213473440, 320210160, 640420320]

約数ペア:

[(1, 640420320), (2, 320210160), (3, 213473440), (4, 160105080), (5, 128084064), (6, 106736720), (8, 80052540), (10, 64042032), (12, 53368360), (15, 42694688), (16, 40026270), (20, 32021016), (24, 26684180), (30, 21347344), (31, 20658720), (32, 20013135), (40, 16010508), (48, 13342090), (60, 10673672), (62, 10329360), (80, 8005254), (93, 6886240), (96, 6671045), (120, 5336836), (124, 5164680), (155, 4131744), (160, 4002627), (186, 3443120), (193, 3318240), (223, 2871840), (240, 2668418), (248, 2582340), (310, 2065872), (372, 1721560), (386, 1659120), (446, 1435920), (465, 1377248), (480, 1334209), (496, 1291170), (579, 1106080), (620, 1032936), (669, 957280), (744, 860780), (772, 829560), (892, 717960), (930, 688624), (965, 663648), (992, 645585), (1115, 574368), (1158, 553040), (1240, 516468), (1338, 478640), (1488, 430390), (1544, 414780), (1784, 358980), (1860, 344312), (1930, 331824), (2230, 287184), (2316, 276520), (2480, 258234), (2676, 239320), (2895, 221216), (2976, 215195), (3088, 207390), (3345, 191456), (3568, 179490), (3720, 172156), (3860, 165912), (4460, 143592), (4632, 138260), (4960, 129117), (5352, 119660), (5790, 110608), (5983, 107040), (6176, 103695), (6690, 95728), (6913, 92640), (7136, 89745), (7440, 86078), (7720, 82956), (8920, 71796), (9264, 69130), (10704, 59830), (11580, 55304), (11966, 53520), (13380, 47864), (13826, 46320), (14880, 43039), (15440, 41478), (17840, 35898), (17949, 35680), (18528, 34565), (20739, 30880), (21408, 29915), (23160, 27652), (23932, 26760)]