12920880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{7691}}^1$

素因数の和:7714

約数の個数: 80

約数和(自身を含む): 45782784

約数和(自身を除く): 32861904

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 7691, 15382, 23073, 30764, 38455, 46146, 53837, 61528, 76910, 92292, 107674, 115365, 123056, 153820, 161511, 184584, 215348, 230730, 269185, 307640, 323022, 369168, 430696, 461460, 538370, 615280, 646044, 807555, 861392, 922920, 1076740, 1292088, 1615110, 1845840, 2153480, 2584176, 3230220, 4306960, 6460440, 12920880]

約数ペア:

[(1, 12920880), (2, 6460440), (3, 4306960), (4, 3230220), (5, 2584176), (6, 2153480), (7, 1845840), (8, 1615110), (10, 1292088), (12, 1076740), (14, 922920), (15, 861392), (16, 807555), (20, 646044), (21, 615280), (24, 538370), (28, 461460), (30, 430696), (35, 369168), (40, 323022), (42, 307640), (48, 269185), (56, 230730), (60, 215348), (70, 184584), (80, 161511), (84, 153820), (105, 123056), (112, 115365), (120, 107674), (140, 92292), (168, 76910), (210, 61528), (240, 53837), (280, 46146), (336, 38455), (420, 30764), (560, 23073), (840, 15382), (1680, 7691)]