281483680

素因数分解:

$2^5\times 5^1\times {\mathrm{577}}^1\times {\mathrm{3049}}^1$

素因数の和:3641

約数の個数: 48

約数和(自身を含む): 666376200

約数和(自身を除く): 384892520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 577, 1154, 2308, 2885, 3049, 4616, 5770, 6098, 9232, 11540, 12196, 15245, 18464, 23080, 24392, 30490, 46160, 48784, 60980, 92320, 97568, 121960, 243920, 487840, 1759273, 3518546, 7037092, 8796365, 14074184, 17592730, 28148368, 35185460, 56296736, 70370920, 140741840, 281483680]

約数ペア:

[(1, 281483680), (2, 140741840), (4, 70370920), (5, 56296736), (8, 35185460), (10, 28148368), (16, 17592730), (20, 14074184), (32, 8796365), (40, 7037092), (80, 3518546), (160, 1759273), (577, 487840), (1154, 243920), (2308, 121960), (2885, 97568), (3049, 92320), (4616, 60980), (5770, 48784), (6098, 46160), (9232, 30490), (11540, 24392), (12196, 23080), (15245, 18464)]