1268707960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{143519}}^1$

素因数の和:143560

約数の個数: 64

約数和(自身を含む): 3255033600

約数和(自身を除く): 1986325640

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 8840, 143519, 287038, 574076, 717595, 1148152, 1435190, 1865747, 2439823, 2870380, 3731494, 4879646, 5740760, 7462988, 9328735, 9759292, 12199115, 14925976, 18657470, 19518584, 24398230, 31717699, 37314940, 48796460, 63435398, 74629880, 97592920, 126870796, 158588495, 253741592, 317176990, 634353980, 1268707960]

約数ペア:

[(1, 1268707960), (2, 634353980), (4, 317176990), (5, 253741592), (8, 158588495), (10, 126870796), (13, 97592920), (17, 74629880), (20, 63435398), (26, 48796460), (34, 37314940), (40, 31717699), (52, 24398230), (65, 19518584), (68, 18657470), (85, 14925976), (104, 12199115), (130, 9759292), (136, 9328735), (170, 7462988), (221, 5740760), (260, 4879646), (340, 3731494), (442, 2870380), (520, 2439823), (680, 1865747), (884, 1435190), (1105, 1148152), (1768, 717595), (2210, 574076), (4420, 287038), (8840, 143519)]