30975420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{73751}}^1$

素因数の和:73770

約数の個数: 48

約数和(自身を含む): 99122688

約数和(自身を除く): 68147268

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, 73751, 147502, 221253, 295004, 368755, 442506, 516257, 737510, 885012, 1032514, 1106265, 1475020, 1548771, 2065028, 2212530, 2581285, 3097542, 4425060, 5162570, 6195084, 7743855, 10325140, 15487710, 30975420]

約数ペア:

[(1, 30975420), (2, 15487710), (3, 10325140), (4, 7743855), (5, 6195084), (6, 5162570), (7, 4425060), (10, 3097542), (12, 2581285), (14, 2212530), (15, 2065028), (20, 1548771), (21, 1475020), (28, 1106265), (30, 1032514), (35, 885012), (42, 737510), (60, 516257), (70, 442506), (84, 368755), (105, 295004), (140, 221253), (210, 147502), (420, 73751)]