120307240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{509}}^1$

素因数の和:850

約数の個数: 64

約数和(自身を含む): 286416000

約数和(自身を除く): 166108760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 311, 380, 509, 622, 760, 1018, 1244, 1555, 2036, 2488, 2545, 3110, 4072, 5090, 5909, 6220, 9671, 10180, 11818, 12440, 19342, 20360, 23636, 29545, 38684, 47272, 48355, 59090, 77368, 96710, 118180, 158299, 193420, 236360, 316598, 386840, 633196, 791495, 1266392, 1582990, 3007681, 3165980, 6015362, 6331960, 12030724, 15038405, 24061448, 30076810, 60153620, 120307240]

約数ペア:

[(1, 120307240), (2, 60153620), (4, 30076810), (5, 24061448), (8, 15038405), (10, 12030724), (19, 6331960), (20, 6015362), (38, 3165980), (40, 3007681), (76, 1582990), (95, 1266392), (152, 791495), (190, 633196), (311, 386840), (380, 316598), (509, 236360), (622, 193420), (760, 158299), (1018, 118180), (1244, 96710), (1555, 77368), (2036, 59090), (2488, 48355), (2545, 47272), (3110, 38684), (4072, 29545), (5090, 23636), (5909, 20360), (6220, 19342), (9671, 12440), (10180, 11818)]