645407880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{5237}}^1$

素因数の和:5343

約数の個数: 128

約数和(自身を含む): 2111961600

約数和(自身を除く): 1466553720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 79, 104, 120, 130, 156, 158, 195, 237, 260, 312, 316, 390, 395, 474, 520, 632, 780, 790, 948, 1027, 1185, 1560, 1580, 1896, 2054, 2370, 3081, 3160, 4108, 4740, 5135, 5237, 6162, 8216, 9480, 10270, 10474, 12324, 15405, 15711, 20540, 20948, 24648, 26185, 30810, 31422, 41080, 41896, 52370, 61620, 62844, 68081, 78555, 104740, 123240, 125688, 136162, 157110, 204243, 209480, 272324, 314220, 340405, 408486, 413723, 544648, 628440, 680810, 816972, 827446, 1021215, 1241169, 1361620, 1633944, 1654892, 2042430, 2068615, 2482338, 2723240, 3309784, 4084860, 4137230, 4964676, 5378399, 6205845, 8169720, 8274460, 9929352, 10756798, 12411690, 16135197, 16548920, 21513596, 24823380, 26891995, 32270394, 43027192, 49646760, 53783990, 64540788, 80675985, 107567980, 129081576, 161351970, 215135960, 322703940, 645407880]

約数ペア:

[(1, 645407880), (2, 322703940), (3, 215135960), (4, 161351970), (5, 129081576), (6, 107567980), (8, 80675985), (10, 64540788), (12, 53783990), (13, 49646760), (15, 43027192), (20, 32270394), (24, 26891995), (26, 24823380), (30, 21513596), (39, 16548920), (40, 16135197), (52, 12411690), (60, 10756798), (65, 9929352), (78, 8274460), (79, 8169720), (104, 6205845), (120, 5378399), (130, 4964676), (156, 4137230), (158, 4084860), (195, 3309784), (237, 2723240), (260, 2482338), (312, 2068615), (316, 2042430), (390, 1654892), (395, 1633944), (474, 1361620), (520, 1241169), (632, 1021215), (780, 827446), (790, 816972), (948, 680810), (1027, 628440), (1185, 544648), (1560, 413723), (1580, 408486), (1896, 340405), (2054, 314220), (2370, 272324), (3081, 209480), (3160, 204243), (4108, 157110), (4740, 136162), (5135, 125688), (5237, 123240), (6162, 104740), (8216, 78555), (9480, 68081), (10270, 62844), (10474, 61620), (12324, 52370), (15405, 41896), (15711, 41080), (20540, 31422), (20948, 30810), (24648, 26185)]