131446980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{104323}}^1$

素因数の和:104345

約数の個数: 72

約数和(自身を含む): 455687232

約数和(自身を除く): 324240252

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 104323, 208646, 312969, 417292, 521615, 625938, 730261, 938907, 1043230, 1251876, 1460522, 1564845, 1877814, 2086460, 2190783, 2921044, 3129690, 3651305, 3755628, 4381566, 4694535, 6259380, 6572349, 7302610, 8763132, 9389070, 10953915, 13144698, 14605220, 18778140, 21907830, 26289396, 32861745, 43815660, 65723490, 131446980]

約数ペア:

[(1, 131446980), (2, 65723490), (3, 43815660), (4, 32861745), (5, 26289396), (6, 21907830), (7, 18778140), (9, 14605220), (10, 13144698), (12, 10953915), (14, 9389070), (15, 8763132), (18, 7302610), (20, 6572349), (21, 6259380), (28, 4694535), (30, 4381566), (35, 3755628), (36, 3651305), (42, 3129690), (45, 2921044), (60, 2190783), (63, 2086460), (70, 1877814), (84, 1564845), (90, 1460522), (105, 1251876), (126, 1043230), (140, 938907), (180, 730261), (210, 625938), (252, 521615), (315, 417292), (420, 312969), (630, 208646), (1260, 104323)]