30345420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{72251}}^1$

素因数の和:72270

約数の個数: 48

約数和(自身を含む): 97106688

約数和(自身を除く): 66761268

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, 72251, 144502, 216753, 289004, 361255, 433506, 505757, 722510, 867012, 1011514, 1083765, 1445020, 1517271, 2023028, 2167530, 2528785, 3034542, 4335060, 5057570, 6069084, 7586355, 10115140, 15172710, 30345420]

約数ペア:

[(1, 30345420), (2, 15172710), (3, 10115140), (4, 7586355), (5, 6069084), (6, 5057570), (7, 4335060), (10, 3034542), (12, 2528785), (14, 2167530), (15, 2023028), (20, 1517271), (21, 1445020), (28, 1083765), (30, 1011514), (35, 867012), (42, 722510), (60, 505757), (70, 433506), (84, 361255), (105, 289004), (140, 216753), (210, 144502), (420, 72251)]