260842920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{617}}^1$

素因数の和:915

約数の個数: 128

約数和(自身を含む): 847203840

約数和(自身を除く): 586360920

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, 271, 312, 390, 520, 542, 617, 780, 813, 1084, 1234, 1355, 1560, 1626, 1851, 2168, 2468, 2710, 3085, 3252, 3523, 3702, 4065, 4936, 5420, 6170, 6504, 7046, 7404, 8021, 8130, 9255, 10569, 10840, 12340, 14092, 14808, 16042, 16260, 17615, 18510, 21138, 24063, 24680, 28184, 32084, 32520, 35230, 37020, 40105, 42276, 48126, 52845, 64168, 70460, 74040, 80210, 84552, 96252, 105690, 120315, 140920, 160420, 167207, 192504, 211380, 240630, 320840, 334414, 422760, 481260, 501621, 668828, 836035, 962520, 1003242, 1337656, 1672070, 2006484, 2173691, 2508105, 3344140, 4012968, 4347382, 5016210, 6521073, 6688280, 8694764, 10032420, 10868455, 13042146, 17389528, 20064840, 21736910, 26084292, 32605365, 43473820, 52168584, 65210730, 86947640, 130421460, 260842920]

約数ペア:

[(1, 260842920), (2, 130421460), (3, 86947640), (4, 65210730), (5, 52168584), (6, 43473820), (8, 32605365), (10, 26084292), (12, 21736910), (13, 20064840), (15, 17389528), (20, 13042146), (24, 10868455), (26, 10032420), (30, 8694764), (39, 6688280), (40, 6521073), (52, 5016210), (60, 4347382), (65, 4012968), (78, 3344140), (104, 2508105), (120, 2173691), (130, 2006484), (156, 1672070), (195, 1337656), (260, 1003242), (271, 962520), (312, 836035), (390, 668828), (520, 501621), (542, 481260), (617, 422760), (780, 334414), (813, 320840), (1084, 240630), (1234, 211380), (1355, 192504), (1560, 167207), (1626, 160420), (1851, 140920), (2168, 120315), (2468, 105690), (2710, 96252), (3085, 84552), (3252, 80210), (3523, 74040), (3702, 70460), (4065, 64168), (4936, 52845), (5420, 48126), (6170, 42276), (6504, 40105), (7046, 37020), (7404, 35230), (8021, 32520), (8130, 32084), (9255, 28184), (10569, 24680), (10840, 24063), (12340, 21138), (14092, 18510), (14808, 17615), (16042, 16260)]