1231559840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47809}}^1$

素因数の和:47854

約数の個数: 96

約数和(自身を含む): 3469858560

約数和(自身を除く): 2238298720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 322, 368, 460, 560, 644, 736, 805, 920, 1120, 1288, 1610, 1840, 2576, 3220, 3680, 5152, 6440, 12880, 25760, 47809, 95618, 191236, 239045, 334663, 382472, 478090, 669326, 764944, 956180, 1099607, 1338652, 1529888, 1673315, 1912360, 2199214, 2677304, 3346630, 3824720, 4398428, 5354608, 5498035, 6693260, 7649440, 7697249, 8796856, 10709216, 10996070, 13386520, 15394498, 17593712, 21992140, 26773040, 30788996, 35187424, 38486245, 43984280, 53546080, 61577992, 76972490, 87968560, 123155984, 153944980, 175937120, 246311968, 307889960, 615779920, 1231559840]

約数ペア:

[(1, 1231559840), (2, 615779920), (4, 307889960), (5, 246311968), (7, 175937120), (8, 153944980), (10, 123155984), (14, 87968560), (16, 76972490), (20, 61577992), (23, 53546080), (28, 43984280), (32, 38486245), (35, 35187424), (40, 30788996), (46, 26773040), (56, 21992140), (70, 17593712), (80, 15394498), (92, 13386520), (112, 10996070), (115, 10709216), (140, 8796856), (160, 7697249), (161, 7649440), (184, 6693260), (224, 5498035), (230, 5354608), (280, 4398428), (322, 3824720), (368, 3346630), (460, 2677304), (560, 2199214), (644, 1912360), (736, 1673315), (805, 1529888), (920, 1338652), (1120, 1099607), (1288, 956180), (1610, 764944), (1840, 669326), (2576, 478090), (3220, 382472), (3680, 334663), (5152, 239045), (6440, 191236), (12880, 95618), (25760, 47809)]