318812520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{204367}}^1$

素因数の和:204394

約数の個数: 64

約数和(自身を含む): 1030014720

約数和(自身を除く): 711202200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 204367, 408734, 613101, 817468, 1021835, 1226202, 1634936, 2043670, 2452404, 2656771, 3065505, 4087340, 4904808, 5313542, 6131010, 7970313, 8174680, 10627084, 12262020, 13283855, 15940626, 21254168, 24524040, 26567710, 31881252, 39851565, 53135420, 63762504, 79703130, 106270840, 159406260, 318812520]

約数ペア:

[(1, 318812520), (2, 159406260), (3, 106270840), (4, 79703130), (5, 63762504), (6, 53135420), (8, 39851565), (10, 31881252), (12, 26567710), (13, 24524040), (15, 21254168), (20, 15940626), (24, 13283855), (26, 12262020), (30, 10627084), (39, 8174680), (40, 7970313), (52, 6131010), (60, 5313542), (65, 4904808), (78, 4087340), (104, 3065505), (120, 2656771), (130, 2452404), (156, 2043670), (195, 1634936), (260, 1226202), (312, 1021835), (390, 817468), (520, 613101), (780, 408734), (1560, 204367)]