91143920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23251}}^1$

素因数の和:23278

約数の個数: 60

約数和(自身を含む): 246517704

約数和(自身を除く): 155373784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 23251, 46502, 93004, 116255, 162757, 186008, 232510, 325514, 372016, 465020, 651028, 813785, 930040, 1139299, 1302056, 1627570, 1860080, 2278598, 2604112, 3255140, 4557196, 5696495, 6510280, 9114392, 11392990, 13020560, 18228784, 22785980, 45571960, 91143920]

約数ペア:

[(1, 91143920), (2, 45571960), (4, 22785980), (5, 18228784), (7, 13020560), (8, 11392990), (10, 9114392), (14, 6510280), (16, 5696495), (20, 4557196), (28, 3255140), (35, 2604112), (40, 2278598), (49, 1860080), (56, 1627570), (70, 1302056), (80, 1139299), (98, 930040), (112, 813785), (140, 651028), (196, 465020), (245, 372016), (280, 325514), (392, 232510), (490, 186008), (560, 162757), (784, 116255), (980, 93004), (1960, 46502), (3920, 23251)]