320436680

素因数分解:

$2^3\times 5^1\times {\mathrm{751}}^1\times {\mathrm{10667}}^1$

素因数の和:11429

約数の個数: 32

約数和(自身を含む): 722010240

約数和(自身を除く): 401573560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 751, 1502, 3004, 3755, 6008, 7510, 10667, 15020, 21334, 30040, 42668, 53335, 85336, 106670, 213340, 426680, 8010917, 16021834, 32043668, 40054585, 64087336, 80109170, 160218340, 320436680]

約数ペア:

[(1, 320436680), (2, 160218340), (4, 80109170), (5, 64087336), (8, 40054585), (10, 32043668), (20, 16021834), (40, 8010917), (751, 426680), (1502, 213340), (3004, 106670), (3755, 85336), (6008, 53335), (7510, 42668), (10667, 30040), (15020, 21334)]