30612680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109331}}^1$

素因数の和:109349

約数の個数: 32

約数和(自身を含む): 78719040

約数和(自身を除く): 48106360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 109331, 218662, 437324, 546655, 765317, 874648, 1093310, 1530634, 2186620, 3061268, 3826585, 4373240, 6122536, 7653170, 15306340, 30612680]

約数ペア:

[(1, 30612680), (2, 15306340), (4, 7653170), (5, 6122536), (7, 4373240), (8, 3826585), (10, 3061268), (14, 2186620), (20, 1530634), (28, 1093310), (35, 874648), (40, 765317), (56, 546655), (70, 437324), (140, 218662), (280, 109331)]