71701980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2161}}^1$

素因数の和:2259

約数の個数: 96

約数和(自身を含む): 232458240

約数和(自身を除く): 160756260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 79, 84, 105, 140, 158, 210, 237, 316, 395, 420, 474, 553, 790, 948, 1106, 1185, 1580, 1659, 2161, 2212, 2370, 2765, 3318, 4322, 4740, 5530, 6483, 6636, 8295, 8644, 10805, 11060, 12966, 15127, 16590, 21610, 25932, 30254, 32415, 33180, 43220, 45381, 60508, 64830, 75635, 90762, 129660, 151270, 170719, 181524, 226905, 302540, 341438, 453810, 512157, 682876, 853595, 907620, 1024314, 1195033, 1707190, 2048628, 2390066, 2560785, 3414380, 3585099, 4780132, 5121570, 5975165, 7170198, 10243140, 11950330, 14340396, 17925495, 23900660, 35850990, 71701980]

約数ペア:

[(1, 71701980), (2, 35850990), (3, 23900660), (4, 17925495), (5, 14340396), (6, 11950330), (7, 10243140), (10, 7170198), (12, 5975165), (14, 5121570), (15, 4780132), (20, 3585099), (21, 3414380), (28, 2560785), (30, 2390066), (35, 2048628), (42, 1707190), (60, 1195033), (70, 1024314), (79, 907620), (84, 853595), (105, 682876), (140, 512157), (158, 453810), (210, 341438), (237, 302540), (316, 226905), (395, 181524), (420, 170719), (474, 151270), (553, 129660), (790, 90762), (948, 75635), (1106, 64830), (1185, 60508), (1580, 45381), (1659, 43220), (2161, 33180), (2212, 32415), (2370, 30254), (2765, 25932), (3318, 21610), (4322, 16590), (4740, 15127), (5530, 12966), (6483, 11060), (6636, 10805), (8295, 8644)]