30668120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{15647}}^1$

素因数の和:15672

約数の個数: 48

約数和(自身を含む): 80274240

約数和(自身を除く): 49606120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 15647, 31294, 62588, 78235, 109529, 125176, 156470, 219058, 312940, 438116, 547645, 625880, 766703, 876232, 1095290, 1533406, 2190580, 3066812, 3833515, 4381160, 6133624, 7667030, 15334060, 30668120]

約数ペア:

[(1, 30668120), (2, 15334060), (4, 7667030), (5, 6133624), (7, 4381160), (8, 3833515), (10, 3066812), (14, 2190580), (20, 1533406), (28, 1095290), (35, 876232), (40, 766703), (49, 625880), (56, 547645), (70, 438116), (98, 312940), (140, 219058), (196, 156470), (245, 125176), (280, 109529), (392, 78235), (490, 62588), (980, 31294), (1960, 15647)]