90657420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{215851}}^1$

素因数の和:215870

約数の個数: 48

約数和(自身を含む): 290105088

約数和(自身を除く): 199447668

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 215851, 431702, 647553, 863404, 1079255, 1295106, 1510957, 2158510, 2590212, 3021914, 3237765, 4317020, 4532871, 6043828, 6475530, 7554785, 9065742, 12951060, 15109570, 18131484, 22664355, 30219140, 45328710, 90657420]

約数ペア:

[(1, 90657420), (2, 45328710), (3, 30219140), (4, 22664355), (5, 18131484), (6, 15109570), (7, 12951060), (10, 9065742), (12, 7554785), (14, 6475530), (15, 6043828), (20, 4532871), (21, 4317020), (28, 3237765), (30, 3021914), (35, 2590212), (42, 2158510), (60, 1510957), (70, 1295106), (84, 1079255), (105, 863404), (140, 647553), (210, 431702), (420, 215851)]