72981630

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{810907}}^1$

素因数の和:810920

約数の個数: 24

約数和(自身を含む): 189752472

約数和(自身を除く): 116770842

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 810907, 1621814, 2432721, 4054535, 4865442, 7298163, 8109070, 12163605, 14596326, 24327210, 36490815, 72981630]

約数ペア:

[(1, 72981630), (2, 36490815), (3, 24327210), (5, 14596326), (6, 12163605), (9, 8109070), (10, 7298163), (15, 4865442), (18, 4054535), (30, 2432721), (45, 1621814), (90, 810907)]