207974640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{2161}}^1$

素因数の和:2578

約数の個数: 80

約数和(自身を含む): 646628256

約数和(自身を除く): 438653616

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 401, 802, 1203, 1604, 2005, 2161, 2406, 3208, 4010, 4322, 4812, 6015, 6416, 6483, 8020, 8644, 9624, 10805, 12030, 12966, 16040, 17288, 19248, 21610, 24060, 25932, 32080, 32415, 34576, 43220, 48120, 51864, 64830, 86440, 96240, 103728, 129660, 172880, 259320, 518640, 866561, 1733122, 2599683, 3466244, 4332805, 5199366, 6932488, 8665610, 10398732, 12998415, 13864976, 17331220, 20797464, 25996830, 34662440, 41594928, 51993660, 69324880, 103987320, 207974640]

約数ペア:

[(1, 207974640), (2, 103987320), (3, 69324880), (4, 51993660), (5, 41594928), (6, 34662440), (8, 25996830), (10, 20797464), (12, 17331220), (15, 13864976), (16, 12998415), (20, 10398732), (24, 8665610), (30, 6932488), (40, 5199366), (48, 4332805), (60, 3466244), (80, 2599683), (120, 1733122), (240, 866561), (401, 518640), (802, 259320), (1203, 172880), (1604, 129660), (2005, 103728), (2161, 96240), (2406, 86440), (3208, 64830), (4010, 51864), (4322, 48120), (4812, 43220), (6015, 34576), (6416, 32415), (6483, 32080), (8020, 25932), (8644, 24060), (9624, 21610), (10805, 19248), (12030, 17288), (12966, 16040)]