640892016

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{143569}}^1$

素因数の和:143614

約数の個数: 60

約数和(自身を含む): 1851478720

約数和(自身を除く): 1210586704

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 144, 186, 248, 279, 372, 496, 558, 744, 1116, 1488, 2232, 4464, 143569, 287138, 430707, 574276, 861414, 1148552, 1292121, 1722828, 2297104, 2584242, 3445656, 4450639, 5168484, 6891312, 8901278, 10336968, 13351917, 17802556, 20673936, 26703834, 35605112, 40055751, 53407668, 71210224, 80111502, 106815336, 160223004, 213630672, 320446008, 640892016]

約数ペア:

[(1, 640892016), (2, 320446008), (3, 213630672), (4, 160223004), (6, 106815336), (8, 80111502), (9, 71210224), (12, 53407668), (16, 40055751), (18, 35605112), (24, 26703834), (31, 20673936), (36, 17802556), (48, 13351917), (62, 10336968), (72, 8901278), (93, 6891312), (124, 5168484), (144, 4450639), (186, 3445656), (248, 2584242), (279, 2297104), (372, 1722828), (496, 1292121), (558, 1148552), (744, 861414), (1116, 574276), (1488, 430707), (2232, 287138), (4464, 143569)]