7281630

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 19656000

約数和(自身を除く): 12374370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 149, 181, 270, 298, 362, 447, 543, 745, 894, 905, 1086, 1341, 1490, 1629, 1810, 2235, 2682, 2715, 3258, 4023, 4470, 4887, 5430, 6705, 8046, 8145, 9774, 13410, 16290, 20115, 24435, 26969, 40230, 48870, 53938, 80907, 134845, 161814, 242721, 269690, 404535, 485442, 728163, 809070, 1213605, 1456326, 2427210, 3640815, 7281630]

約数ペア:

[(1, 7281630), (2, 3640815), (3, 2427210), (5, 1456326), (6, 1213605), (9, 809070), (10, 728163), (15, 485442), (18, 404535), (27, 269690), (30, 242721), (45, 161814), (54, 134845), (90, 80907), (135, 53938), (149, 48870), (181, 40230), (270, 26969), (298, 24435), (362, 20115), (447, 16290), (543, 13410), (745, 9774), (894, 8145), (905, 8046), (1086, 6705), (1341, 5430), (1490, 4887), (1629, 4470), (1810, 4023), (2235, 3258), (2682, 2715)]