18281880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1181}}^1$

素因数の和:1241

約数の個数: 96

約数和(自身を含む): 60849360

約数和(自身を除く): 42567480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 60, 72, 86, 90, 120, 129, 172, 180, 215, 258, 344, 360, 387, 430, 516, 645, 774, 860, 1032, 1181, 1290, 1548, 1720, 1935, 2362, 2580, 3096, 3543, 3870, 4724, 5160, 5905, 7086, 7740, 9448, 10629, 11810, 14172, 15480, 17715, 21258, 23620, 28344, 35430, 42516, 47240, 50783, 53145, 70860, 85032, 101566, 106290, 141720, 152349, 203132, 212580, 253915, 304698, 406264, 425160, 457047, 507830, 609396, 761745, 914094, 1015660, 1218792, 1523490, 1828188, 2031320, 2285235, 3046980, 3656376, 4570470, 6093960, 9140940, 18281880]

約数ペア:

[(1, 18281880), (2, 9140940), (3, 6093960), (4, 4570470), (5, 3656376), (6, 3046980), (8, 2285235), (9, 2031320), (10, 1828188), (12, 1523490), (15, 1218792), (18, 1015660), (20, 914094), (24, 761745), (30, 609396), (36, 507830), (40, 457047), (43, 425160), (45, 406264), (60, 304698), (72, 253915), (86, 212580), (90, 203132), (120, 152349), (129, 141720), (172, 106290), (180, 101566), (215, 85032), (258, 70860), (344, 53145), (360, 50783), (387, 47240), (430, 42516), (516, 35430), (645, 28344), (774, 23620), (860, 21258), (1032, 17715), (1181, 15480), (1290, 14172), (1548, 11810), (1720, 10629), (1935, 9448), (2362, 7740), (2580, 7086), (3096, 5905), (3543, 5160), (3870, 4724)]