66451640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1237}}^1$

素因数の和:1344

約数の個数: 64

約数和(自身を含む): 160444800

約数和(自身を除く): 93993160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 79, 85, 136, 158, 170, 316, 340, 395, 632, 680, 790, 1237, 1343, 1580, 2474, 2686, 3160, 4948, 5372, 6185, 6715, 9896, 10744, 12370, 13430, 21029, 24740, 26860, 42058, 49480, 53720, 84116, 97723, 105145, 168232, 195446, 210290, 390892, 420580, 488615, 781784, 841160, 977230, 1661291, 1954460, 3322582, 3908920, 6645164, 8306455, 13290328, 16612910, 33225820, 66451640]

約数ペア:

[(1, 66451640), (2, 33225820), (4, 16612910), (5, 13290328), (8, 8306455), (10, 6645164), (17, 3908920), (20, 3322582), (34, 1954460), (40, 1661291), (68, 977230), (79, 841160), (85, 781784), (136, 488615), (158, 420580), (170, 390892), (316, 210290), (340, 195446), (395, 168232), (632, 105145), (680, 97723), (790, 84116), (1237, 53720), (1343, 49480), (1580, 42058), (2474, 26860), (2686, 24740), (3160, 21029), (4948, 13430), (5372, 12370), (6185, 10744), (6715, 9896)]