15631185220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{389029}}^1$

素因数の和:389093

約数の個数: 72

約数和(自身を含む): 39116188440

約数和(自身を除く): 23485003220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 410, 490, 574, 820, 980, 1148, 1435, 2009, 2870, 4018, 5740, 8036, 10045, 20090, 40180, 389029, 778058, 1556116, 1945145, 2723203, 3890290, 5446406, 7780580, 10892812, 13616015, 15950189, 19062421, 27232030, 31900378, 38124842, 54464060, 63800756, 76249684, 79750945, 95312105, 111651323, 159501890, 190624210, 223302646, 319003780, 381248420, 446605292, 558256615, 781559261, 1116513230, 1563118522, 2233026460, 3126237044, 3907796305, 7815592610, 15631185220]

約数ペア:

[(1, 15631185220), (2, 7815592610), (4, 3907796305), (5, 3126237044), (7, 2233026460), (10, 1563118522), (14, 1116513230), (20, 781559261), (28, 558256615), (35, 446605292), (41, 381248420), (49, 319003780), (70, 223302646), (82, 190624210), (98, 159501890), (140, 111651323), (164, 95312105), (196, 79750945), (205, 76249684), (245, 63800756), (287, 54464060), (410, 38124842), (490, 31900378), (574, 27232030), (820, 19062421), (980, 15950189), (1148, 13616015), (1435, 10892812), (2009, 7780580), (2870, 5446406), (4018, 3890290), (5740, 2723203), (8036, 1945145), (10045, 1556116), (20090, 778058), (40180, 389029)]