2015543740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:360

約数の個数: 144

約数和(自身を含む): 5092803072

約数和(自身を除く): 3077259332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 71, 124, 140, 142, 155, 211, 217, 284, 310, 355, 422, 434, 497, 620, 710, 844, 868, 961, 994, 1055, 1085, 1420, 1477, 1922, 1988, 2110, 2170, 2201, 2485, 2954, 3844, 4220, 4340, 4402, 4805, 4970, 5908, 6541, 6727, 7385, 8804, 9610, 9940, 11005, 13082, 13454, 14770, 14981, 15407, 19220, 22010, 26164, 26908, 29540, 29962, 30814, 32705, 33635, 44020, 45787, 59924, 61628, 65410, 67270, 68231, 74905, 77035, 91574, 104867, 130820, 134540, 136462, 149810, 154070, 183148, 202771, 209734, 228935, 272924, 299620, 308140, 341155, 405542, 419468, 457870, 464411, 477617, 524335, 682310, 811084, 915740, 928822, 955234, 1013855, 1048670, 1364620, 1419397, 1857644, 1910468, 2027710, 2097340, 2322055, 2388085, 2838794, 3250877, 4055420, 4644110, 4776170, 5677588, 6501754, 7096985, 9288220, 9552340, 13003508, 14193970, 14396741, 16254385, 28387940, 28793482, 32508770, 57586964, 65017540, 71983705, 100777187, 143967410, 201554374, 287934820, 403108748, 503885935, 1007771870, 2015543740]

約数ペア:

[(1, 2015543740), (2, 1007771870), (4, 503885935), (5, 403108748), (7, 287934820), (10, 201554374), (14, 143967410), (20, 100777187), (28, 71983705), (31, 65017540), (35, 57586964), (62, 32508770), (70, 28793482), (71, 28387940), (124, 16254385), (140, 14396741), (142, 14193970), (155, 13003508), (211, 9552340), (217, 9288220), (284, 7096985), (310, 6501754), (355, 5677588), (422, 4776170), (434, 4644110), (497, 4055420), (620, 3250877), (710, 2838794), (844, 2388085), (868, 2322055), (961, 2097340), (994, 2027710), (1055, 1910468), (1085, 1857644), (1420, 1419397), (1477, 1364620), (1922, 1048670), (1988, 1013855), (2110, 955234), (2170, 928822), (2201, 915740), (2485, 811084), (2954, 682310), (3844, 524335), (4220, 477617), (4340, 464411), (4402, 457870), (4805, 419468), (4970, 405542), (5908, 341155), (6541, 308140), (6727, 299620), (7385, 272924), (8804, 228935), (9610, 209734), (9940, 202771), (11005, 183148), (13082, 154070), (13454, 149810), (14770, 136462), (14981, 134540), (15407, 130820), (19220, 104867), (22010, 91574), (26164, 77035), (26908, 74905), (29540, 68231), (29962, 67270), (30814, 65410), (32705, 61628), (33635, 59924), (44020, 45787)]