64809420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83089}}^1$

素因数の和:83114

約数の個数: 48

約数和(自身を含む): 195427680

約数和(自身を除く): 130618260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 83089, 166178, 249267, 332356, 415445, 498534, 830890, 997068, 1080157, 1246335, 1661780, 2160314, 2492670, 3240471, 4320628, 4985340, 5400785, 6480942, 10801570, 12961884, 16202355, 21603140, 32404710, 64809420]

約数ペア:

[(1, 64809420), (2, 32404710), (3, 21603140), (4, 16202355), (5, 12961884), (6, 10801570), (10, 6480942), (12, 5400785), (13, 4985340), (15, 4320628), (20, 3240471), (26, 2492670), (30, 2160314), (39, 1661780), (52, 1246335), (60, 1080157), (65, 997068), (78, 830890), (130, 498534), (156, 415445), (195, 332356), (260, 249267), (390, 166178), (780, 83089)]