81176160

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13009}}^1$

素因数の和:13040

約数の個数: 96

約数和(自身を含む): 275395680

約数和(自身を除く): 194219520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 260, 312, 390, 416, 480, 520, 624, 780, 1040, 1248, 1560, 2080, 3120, 6240, 13009, 26018, 39027, 52036, 65045, 78054, 104072, 130090, 156108, 169117, 195135, 208144, 260180, 312216, 338234, 390270, 416288, 507351, 520360, 624432, 676468, 780540, 845585, 1014702, 1040720, 1248864, 1352936, 1561080, 1691170, 2029404, 2081440, 2536755, 2705872, 3122160, 3382340, 4058808, 5073510, 5411744, 6244320, 6764680, 8117616, 10147020, 13529360, 16235232, 20294040, 27058720, 40588080, 81176160]

約数ペア:

[(1, 81176160), (2, 40588080), (3, 27058720), (4, 20294040), (5, 16235232), (6, 13529360), (8, 10147020), (10, 8117616), (12, 6764680), (13, 6244320), (15, 5411744), (16, 5073510), (20, 4058808), (24, 3382340), (26, 3122160), (30, 2705872), (32, 2536755), (39, 2081440), (40, 2029404), (48, 1691170), (52, 1561080), (60, 1352936), (65, 1248864), (78, 1040720), (80, 1014702), (96, 845585), (104, 780540), (120, 676468), (130, 624432), (156, 520360), (160, 507351), (195, 416288), (208, 390270), (240, 338234), (260, 312216), (312, 260180), (390, 208144), (416, 195135), (480, 169117), (520, 156108), (624, 130090), (780, 104072), (1040, 78054), (1248, 65045), (1560, 52036), (2080, 39027), (3120, 26018), (6240, 13009)]