120478280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{523}}^1$

素因数の和:990

約数の個数: 64

約数和(自身を含む): 293146560

約数和(自身を除く): 172668280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 443, 520, 523, 886, 1046, 1772, 2092, 2215, 2615, 3544, 4184, 4430, 5230, 5759, 6799, 8860, 10460, 11518, 13598, 17720, 20920, 23036, 27196, 28795, 33995, 46072, 54392, 57590, 67990, 115180, 135980, 230360, 231689, 271960, 463378, 926756, 1158445, 1853512, 2316890, 3011957, 4633780, 6023914, 9267560, 12047828, 15059785, 24095656, 30119570, 60239140, 120478280]

約数ペア:

[(1, 120478280), (2, 60239140), (4, 30119570), (5, 24095656), (8, 15059785), (10, 12047828), (13, 9267560), (20, 6023914), (26, 4633780), (40, 3011957), (52, 2316890), (65, 1853512), (104, 1158445), (130, 926756), (260, 463378), (443, 271960), (520, 231689), (523, 230360), (886, 135980), (1046, 115180), (1772, 67990), (2092, 57590), (2215, 54392), (2615, 46072), (3544, 33995), (4184, 28795), (4430, 27196), (5230, 23036), (5759, 20920), (6799, 17720), (8860, 13598), (10460, 11518)]