81627040

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2441}}^1$

素因数の和:2486

約数の個数: 96

約数和(自身を含む): 221538240

約数和(自身を除く): 139911200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 160, 176, 190, 209, 220, 304, 352, 380, 418, 440, 608, 760, 836, 880, 1045, 1520, 1672, 1760, 2090, 2441, 3040, 3344, 4180, 4882, 6688, 8360, 9764, 12205, 16720, 19528, 24410, 26851, 33440, 39056, 46379, 48820, 53702, 78112, 92758, 97640, 107404, 134255, 185516, 195280, 214808, 231895, 268510, 371032, 390560, 429616, 463790, 510169, 537020, 742064, 859232, 927580, 1020338, 1074040, 1484128, 1855160, 2040676, 2148080, 2550845, 3710320, 4081352, 4296160, 5101690, 7420640, 8162704, 10203380, 16325408, 20406760, 40813520, 81627040]

約数ペア:

[(1, 81627040), (2, 40813520), (4, 20406760), (5, 16325408), (8, 10203380), (10, 8162704), (11, 7420640), (16, 5101690), (19, 4296160), (20, 4081352), (22, 3710320), (32, 2550845), (38, 2148080), (40, 2040676), (44, 1855160), (55, 1484128), (76, 1074040), (80, 1020338), (88, 927580), (95, 859232), (110, 742064), (152, 537020), (160, 510169), (176, 463790), (190, 429616), (209, 390560), (220, 371032), (304, 268510), (352, 231895), (380, 214808), (418, 195280), (440, 185516), (608, 134255), (760, 107404), (836, 97640), (880, 92758), (1045, 78112), (1520, 53702), (1672, 48820), (1760, 46379), (2090, 39056), (2441, 33440), (3040, 26851), (3344, 24410), (4180, 19528), (4882, 16720), (6688, 12205), (8360, 9764)]