128118720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{421}}^1$

素因数の和:758

約数の個数: 112

約数和(自身を含む): 409029408

約数和(自身を除く): 280910688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 317, 320, 421, 480, 634, 842, 951, 960, 1263, 1268, 1585, 1684, 1902, 2105, 2526, 2536, 3170, 3368, 3804, 4210, 4755, 5052, 5072, 6315, 6340, 6736, 7608, 8420, 9510, 10104, 10144, 12630, 12680, 13472, 15216, 16840, 19020, 20208, 20288, 25260, 25360, 26944, 30432, 33680, 38040, 40416, 50520, 50720, 60864, 67360, 76080, 80832, 101040, 101440, 133457, 134720, 152160, 202080, 266914, 304320, 400371, 404160, 533828, 667285, 800742, 1067656, 1334570, 1601484, 2001855, 2135312, 2669140, 3202968, 4003710, 4270624, 5338280, 6405936, 8007420, 8541248, 10676560, 12811872, 16014840, 21353120, 25623744, 32029680, 42706240, 64059360, 128118720]

約数ペア:

[(1, 128118720), (2, 64059360), (3, 42706240), (4, 32029680), (5, 25623744), (6, 21353120), (8, 16014840), (10, 12811872), (12, 10676560), (15, 8541248), (16, 8007420), (20, 6405936), (24, 5338280), (30, 4270624), (32, 4003710), (40, 3202968), (48, 2669140), (60, 2135312), (64, 2001855), (80, 1601484), (96, 1334570), (120, 1067656), (160, 800742), (192, 667285), (240, 533828), (317, 404160), (320, 400371), (421, 304320), (480, 266914), (634, 202080), (842, 152160), (951, 134720), (960, 133457), (1263, 101440), (1268, 101040), (1585, 80832), (1684, 76080), (1902, 67360), (2105, 60864), (2526, 50720), (2536, 50520), (3170, 40416), (3368, 38040), (3804, 33680), (4210, 30432), (4755, 26944), (5052, 25360), (5072, 25260), (6315, 20288), (6340, 20208), (6736, 19020), (7608, 16840), (8420, 15216), (9510, 13472), (10104, 12680), (10144, 12630)]