1440519470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{1319}}^1$

素因数の和:1641

約数の個数: 64

約数和(自身を含む): 2895298560

約数和(自身を除く): 1454779090

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 271, 310, 403, 542, 806, 1319, 1355, 2015, 2638, 2710, 3523, 4030, 6595, 7046, 8401, 13190, 16802, 17147, 17615, 34294, 35230, 40889, 42005, 81778, 84010, 85735, 109213, 171470, 204445, 218426, 357449, 408890, 531557, 546065, 714898, 1063114, 1092130, 1787245, 2657785, 3574490, 4646837, 5315570, 9293674, 11080919, 22161838, 23234185, 46468370, 55404595, 110809190, 144051947, 288103894, 720259735, 1440519470]

約数ペア:

[(1, 1440519470), (2, 720259735), (5, 288103894), (10, 144051947), (13, 110809190), (26, 55404595), (31, 46468370), (62, 23234185), (65, 22161838), (130, 11080919), (155, 9293674), (271, 5315570), (310, 4646837), (403, 3574490), (542, 2657785), (806, 1787245), (1319, 1092130), (1355, 1063114), (2015, 714898), (2638, 546065), (2710, 531557), (3523, 408890), (4030, 357449), (6595, 218426), (7046, 204445), (8401, 171470), (13190, 109213), (16802, 85735), (17147, 84010), (17615, 81778), (34294, 42005), (35230, 40889)]