84978840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2963}}^1$

素因数の和:3216

約数の個数: 64

約数和(自身を含む): 256089600

約数和(自身を除く): 171110760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 239, 478, 717, 956, 1195, 1434, 1912, 2390, 2868, 2963, 3585, 4780, 5736, 5926, 7170, 8889, 9560, 11852, 14340, 14815, 17778, 23704, 28680, 29630, 35556, 44445, 59260, 71112, 88890, 118520, 177780, 355560, 708157, 1416314, 2124471, 2832628, 3540785, 4248942, 5665256, 7081570, 8497884, 10622355, 14163140, 16995768, 21244710, 28326280, 42489420, 84978840]

約数ペア:

[(1, 84978840), (2, 42489420), (3, 28326280), (4, 21244710), (5, 16995768), (6, 14163140), (8, 10622355), (10, 8497884), (12, 7081570), (15, 5665256), (20, 4248942), (24, 3540785), (30, 2832628), (40, 2124471), (60, 1416314), (120, 708157), (239, 355560), (478, 177780), (717, 118520), (956, 88890), (1195, 71112), (1434, 59260), (1912, 44445), (2390, 35556), (2868, 29630), (2963, 28680), (3585, 23704), (4780, 17778), (5736, 14815), (5926, 14340), (7170, 11852), (8889, 9560)]