538487880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{641057}}^1$

素因数の和:641078

約数の個数: 64

約数和(自身を含む): 1846247040

約数和(自身を除く): 1307759160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 641057, 1282114, 1923171, 2564228, 3205285, 3846342, 4487399, 5128456, 6410570, 7692684, 8974798, 9615855, 12821140, 13462197, 15385368, 17949596, 19231710, 22436995, 25642280, 26924394, 35899192, 38463420, 44873990, 53848788, 67310985, 76926840, 89747980, 107697576, 134621970, 179495960, 269243940, 538487880]

約数ペア:

[(1, 538487880), (2, 269243940), (3, 179495960), (4, 134621970), (5, 107697576), (6, 89747980), (7, 76926840), (8, 67310985), (10, 53848788), (12, 44873990), (14, 38463420), (15, 35899192), (20, 26924394), (21, 25642280), (24, 22436995), (28, 19231710), (30, 17949596), (35, 15385368), (40, 13462197), (42, 12821140), (56, 9615855), (60, 8974798), (70, 7692684), (84, 6410570), (105, 5128456), (120, 4487399), (140, 3846342), (168, 3205285), (210, 2564228), (280, 1923171), (420, 1282114), (840, 641057)]