64171660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{3499}}^1$

素因数の和:3646

約数の個数: 48

約数和(自身を含む): 155232000

約数和(自身を除く): 91060340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 917, 1310, 1834, 2620, 3499, 3668, 4585, 6998, 9170, 13996, 17495, 18340, 24493, 34990, 48986, 69980, 97972, 122465, 244930, 458369, 489860, 916738, 1833476, 2291845, 3208583, 4583690, 6417166, 9167380, 12834332, 16042915, 32085830, 64171660]

約数ペア:

[(1, 64171660), (2, 32085830), (4, 16042915), (5, 12834332), (7, 9167380), (10, 6417166), (14, 4583690), (20, 3208583), (28, 2291845), (35, 1833476), (70, 916738), (131, 489860), (140, 458369), (262, 244930), (524, 122465), (655, 97972), (917, 69980), (1310, 48986), (1834, 34990), (2620, 24493), (3499, 18340), (3668, 17495), (4585, 13996), (6998, 9170)]