18054840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3499}}^1$

素因数の和:3556

約数の個数: 64

約数和(自身を含む): 55440000

約数和(自身を除く): 37385160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 3499, 5160, 6998, 10497, 13996, 17495, 20994, 27992, 34990, 41988, 52485, 69980, 83976, 104970, 139960, 150457, 209940, 300914, 419880, 451371, 601828, 752285, 902742, 1203656, 1504570, 1805484, 2256855, 3009140, 3610968, 4513710, 6018280, 9027420, 18054840]

約数ペア:

[(1, 18054840), (2, 9027420), (3, 6018280), (4, 4513710), (5, 3610968), (6, 3009140), (8, 2256855), (10, 1805484), (12, 1504570), (15, 1203656), (20, 902742), (24, 752285), (30, 601828), (40, 451371), (43, 419880), (60, 300914), (86, 209940), (120, 150457), (129, 139960), (172, 104970), (215, 83976), (258, 69980), (344, 52485), (430, 41988), (516, 34990), (645, 27992), (860, 20994), (1032, 17495), (1290, 13996), (1720, 10497), (2580, 6998), (3499, 5160)]