120819920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5051}}^1$

素因数の和:5100

約数の個数: 80

約数和(自身を含む): 315729792

約数和(自身を除く): 194909872

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 299, 368, 460, 520, 598, 920, 1040, 1196, 1495, 1840, 2392, 2990, 4784, 5051, 5980, 10102, 11960, 20204, 23920, 25255, 40408, 50510, 65663, 80816, 101020, 116173, 131326, 202040, 232346, 262652, 328315, 404080, 464692, 525304, 580865, 656630, 929384, 1050608, 1161730, 1313260, 1510249, 1858768, 2323460, 2626520, 3020498, 4646920, 5253040, 6040996, 7551245, 9293840, 12081992, 15102490, 24163984, 30204980, 60409960, 120819920]

約数ペア:

[(1, 120819920), (2, 60409960), (4, 30204980), (5, 24163984), (8, 15102490), (10, 12081992), (13, 9293840), (16, 7551245), (20, 6040996), (23, 5253040), (26, 4646920), (40, 3020498), (46, 2626520), (52, 2323460), (65, 1858768), (80, 1510249), (92, 1313260), (104, 1161730), (115, 1050608), (130, 929384), (184, 656630), (208, 580865), (230, 525304), (260, 464692), (299, 404080), (368, 328315), (460, 262652), (520, 232346), (598, 202040), (920, 131326), (1040, 116173), (1196, 101020), (1495, 80816), (1840, 65663), (2392, 50510), (2990, 40408), (4784, 25255), (5051, 23920), (5980, 20204), (10102, 11960)]