30661960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109507}}^1$

素因数の和:109525

約数の個数: 32

約数和(自身を含む): 78845760

約数和(自身を除く): 48183800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 109507, 219014, 438028, 547535, 766549, 876056, 1095070, 1533098, 2190140, 3066196, 3832745, 4380280, 6132392, 7665490, 15330980, 30661960]

約数ペア:

[(1, 30661960), (2, 15330980), (4, 7665490), (5, 6132392), (7, 4380280), (8, 3832745), (10, 3066196), (14, 2190140), (20, 1533098), (28, 1095070), (35, 876056), (40, 766549), (56, 547535), (70, 438028), (140, 219014), (280, 109507)]