145418580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{1619}}^1$

素因数の和:2133

約数の個数: 72

約数和(自身を含む): 442260000

約数和(自身を除く): 296841420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 499, 998, 1497, 1619, 1996, 2495, 2994, 3238, 4491, 4857, 4990, 5988, 6476, 7485, 8095, 8982, 9714, 9980, 14571, 14970, 16190, 17964, 19428, 22455, 24285, 29142, 29940, 32380, 44910, 48570, 58284, 72855, 89820, 97140, 145710, 291420, 807881, 1615762, 2423643, 3231524, 4039405, 4847286, 7270929, 8078810, 9694572, 12118215, 14541858, 16157620, 24236430, 29083716, 36354645, 48472860, 72709290, 145418580]

約数ペア:

[(1, 145418580), (2, 72709290), (3, 48472860), (4, 36354645), (5, 29083716), (6, 24236430), (9, 16157620), (10, 14541858), (12, 12118215), (15, 9694572), (18, 8078810), (20, 7270929), (30, 4847286), (36, 4039405), (45, 3231524), (60, 2423643), (90, 1615762), (180, 807881), (499, 291420), (998, 145710), (1497, 97140), (1619, 89820), (1996, 72855), (2495, 58284), (2994, 48570), (3238, 44910), (4491, 32380), (4857, 29940), (4990, 29142), (5988, 24285), (6476, 22455), (7485, 19428), (8095, 17964), (8982, 16190), (9714, 14970), (9980, 14571)]