68273270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 141039360

約数和(自身を除く): 72766090

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 131, 190, 211, 247, 262, 422, 494, 655, 1055, 1235, 1310, 1703, 2110, 2470, 2489, 2743, 3406, 4009, 4978, 5486, 8018, 8515, 12445, 13715, 17030, 20045, 24890, 27430, 27641, 32357, 40090, 52117, 55282, 64714, 104234, 138205, 161785, 260585, 276410, 323570, 359333, 521170, 525179, 718666, 1050358, 1796665, 2625895, 3593330, 5251790, 6827327, 13654654, 34136635, 68273270]

約数ペア:

[(1, 68273270), (2, 34136635), (5, 13654654), (10, 6827327), (13, 5251790), (19, 3593330), (26, 2625895), (38, 1796665), (65, 1050358), (95, 718666), (130, 525179), (131, 521170), (190, 359333), (211, 323570), (247, 276410), (262, 260585), (422, 161785), (494, 138205), (655, 104234), (1055, 64714), (1235, 55282), (1310, 52117), (1703, 40090), (2110, 32357), (2470, 27641), (2489, 27430), (2743, 24890), (3406, 20045), (4009, 17030), (4978, 13715), (5486, 12445), (8018, 8515)]