639990576

素因数分解:

$2^4\times 3^2\times {\mathrm{191}}^1\times {\mathrm{23269}}^1$

素因数の和:23474

約数の個数: 60

約数和(自身を含む): 1800539520

約数和(自身を除く): 1160548944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 191, 382, 573, 764, 1146, 1528, 1719, 2292, 3056, 3438, 4584, 6876, 9168, 13752, 23269, 27504, 46538, 69807, 93076, 139614, 186152, 209421, 279228, 372304, 418842, 558456, 837684, 1116912, 1675368, 3350736, 4444379, 8888758, 13333137, 17777516, 26666274, 35555032, 39999411, 53332548, 71110064, 79998822, 106665096, 159997644, 213330192, 319995288, 639990576]

約数ペア:

[(1, 639990576), (2, 319995288), (3, 213330192), (4, 159997644), (6, 106665096), (8, 79998822), (9, 71110064), (12, 53332548), (16, 39999411), (18, 35555032), (24, 26666274), (36, 17777516), (48, 13333137), (72, 8888758), (144, 4444379), (191, 3350736), (382, 1675368), (573, 1116912), (764, 837684), (1146, 558456), (1528, 418842), (1719, 372304), (2292, 279228), (3056, 209421), (3438, 186152), (4584, 139614), (6876, 93076), (9168, 69807), (13752, 46538), (23269, 27504)]