18120690

素因数分解:

$2^1\times 3^2\times 5^1\times 7^3\times {\mathrm{587}}^1$

素因数の和:621

約数の個数: 96

約数和(自身を含む): 55036800

約数和(自身を除く): 36916110

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 343, 441, 490, 587, 630, 686, 735, 882, 1029, 1174, 1470, 1715, 1761, 2058, 2205, 2935, 3087, 3430, 3522, 4109, 4410, 5145, 5283, 5870, 6174, 8218, 8805, 10290, 10566, 12327, 15435, 17610, 20545, 24654, 26415, 28763, 30870, 36981, 41090, 52830, 57526, 61635, 73962, 86289, 123270, 143815, 172578, 184905, 201341, 258867, 287630, 369810, 402682, 431445, 517734, 604023, 862890, 1006705, 1208046, 1294335, 1812069, 2013410, 2588670, 3020115, 3624138, 6040230, 9060345, 18120690]

約数ペア:

[(1, 18120690), (2, 9060345), (3, 6040230), (5, 3624138), (6, 3020115), (7, 2588670), (9, 2013410), (10, 1812069), (14, 1294335), (15, 1208046), (18, 1006705), (21, 862890), (30, 604023), (35, 517734), (42, 431445), (45, 402682), (49, 369810), (63, 287630), (70, 258867), (90, 201341), (98, 184905), (105, 172578), (126, 143815), (147, 123270), (210, 86289), (245, 73962), (294, 61635), (315, 57526), (343, 52830), (441, 41090), (490, 36981), (587, 30870), (630, 28763), (686, 26415), (735, 24654), (882, 20545), (1029, 17610), (1174, 15435), (1470, 12327), (1715, 10566), (1761, 10290), (2058, 8805), (2205, 8218), (2935, 6174), (3087, 5870), (3430, 5283), (3522, 5145), (4109, 4410)]