81066020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:573

約数の個数: 96

約数和(自身を含む): 206599680

約数和(自身を除く): 125533660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 41, 58, 70, 82, 116, 140, 145, 164, 203, 205, 287, 290, 406, 410, 487, 574, 580, 812, 820, 974, 1015, 1148, 1189, 1435, 1948, 2030, 2378, 2435, 2870, 3409, 4060, 4756, 4870, 5740, 5945, 6818, 8323, 9740, 11890, 13636, 14123, 16646, 17045, 19967, 23780, 28246, 33292, 34090, 39934, 41615, 56492, 68180, 70615, 79868, 83230, 98861, 99835, 139769, 141230, 166460, 197722, 199670, 279538, 282460, 395444, 399340, 494305, 559076, 579043, 698845, 988610, 1158086, 1397690, 1977220, 2316172, 2795380, 2895215, 4053301, 5790430, 8106602, 11580860, 16213204, 20266505, 40533010, 81066020]

約数ペア:

[(1, 81066020), (2, 40533010), (4, 20266505), (5, 16213204), (7, 11580860), (10, 8106602), (14, 5790430), (20, 4053301), (28, 2895215), (29, 2795380), (35, 2316172), (41, 1977220), (58, 1397690), (70, 1158086), (82, 988610), (116, 698845), (140, 579043), (145, 559076), (164, 494305), (203, 399340), (205, 395444), (287, 282460), (290, 279538), (406, 199670), (410, 197722), (487, 166460), (574, 141230), (580, 139769), (812, 99835), (820, 98861), (974, 83230), (1015, 79868), (1148, 70615), (1189, 68180), (1435, 56492), (1948, 41615), (2030, 39934), (2378, 34090), (2435, 33292), (2870, 28246), (3409, 23780), (4060, 19967), (4756, 17045), (4870, 16646), (5740, 14123), (5945, 13636), (6818, 11890), (8323, 9740)]