13521280

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{571}}^1$

素因数の和:627

約数の個数: 64

約数和(自身を含む): 33256080

約数和(自身を除く): 19734800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 296, 320, 370, 571, 592, 640, 740, 1142, 1184, 1480, 2284, 2368, 2855, 2960, 4568, 4736, 5710, 5920, 9136, 11420, 11840, 18272, 21127, 22840, 23680, 36544, 42254, 45680, 73088, 84508, 91360, 105635, 169016, 182720, 211270, 338032, 365440, 422540, 676064, 845080, 1352128, 1690160, 2704256, 3380320, 6760640, 13521280]

約数ペア:

[(1, 13521280), (2, 6760640), (4, 3380320), (5, 2704256), (8, 1690160), (10, 1352128), (16, 845080), (20, 676064), (32, 422540), (37, 365440), (40, 338032), (64, 211270), (74, 182720), (80, 169016), (128, 105635), (148, 91360), (160, 84508), (185, 73088), (296, 45680), (320, 42254), (370, 36544), (571, 23680), (592, 22840), (640, 21127), (740, 18272), (1142, 11840), (1184, 11420), (1480, 9136), (2284, 5920), (2368, 5710), (2855, 4736), (2960, 4568)]