66682680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{12923}}^1$

素因数の和:12980

約数の個数: 64

約数和(自身を含む): 204716160

約数和(自身を除く): 138033480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 12923, 25846, 38769, 51692, 64615, 77538, 103384, 129230, 155076, 193845, 258460, 310152, 387690, 516920, 555689, 775380, 1111378, 1550760, 1667067, 2222756, 2778445, 3334134, 4445512, 5556890, 6668268, 8335335, 11113780, 13336536, 16670670, 22227560, 33341340, 66682680]

約数ペア:

[(1, 66682680), (2, 33341340), (3, 22227560), (4, 16670670), (5, 13336536), (6, 11113780), (8, 8335335), (10, 6668268), (12, 5556890), (15, 4445512), (20, 3334134), (24, 2778445), (30, 2222756), (40, 1667067), (43, 1550760), (60, 1111378), (86, 775380), (120, 555689), (129, 516920), (172, 387690), (215, 310152), (258, 258460), (344, 193845), (430, 155076), (516, 129230), (645, 103384), (860, 77538), (1032, 64615), (1290, 51692), (1720, 38769), (2580, 25846), (5160, 12923)]