18302520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3547}}^1$

素因数の和:3604

約数の個数: 64

約数和(自身を含む): 56200320

約数和(自身を除く): 37897800

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, 3547, 5160, 7094, 10641, 14188, 17735, 21282, 28376, 35470, 42564, 53205, 70940, 85128, 106410, 141880, 152521, 212820, 305042, 425640, 457563, 610084, 762605, 915126, 1220168, 1525210, 1830252, 2287815, 3050420, 3660504, 4575630, 6100840, 9151260, 18302520]

約数ペア:

[(1, 18302520), (2, 9151260), (3, 6100840), (4, 4575630), (5, 3660504), (6, 3050420), (8, 2287815), (10, 1830252), (12, 1525210), (15, 1220168), (20, 915126), (24, 762605), (30, 610084), (40, 457563), (43, 425640), (60, 305042), (86, 212820), (120, 152521), (129, 141880), (172, 106410), (215, 85128), (258, 70940), (344, 53205), (430, 42564), (516, 35470), (645, 28376), (860, 21282), (1032, 17735), (1290, 14188), (1720, 10641), (2580, 7094), (3547, 5160)]