15530680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{751}}^1$

素因数の和:820

約数の個数: 64

約数和(自身を含む): 38983680

約数和(自身を除く): 23453000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 376, 440, 470, 517, 751, 940, 1034, 1502, 1880, 2068, 2585, 3004, 3755, 4136, 5170, 6008, 7510, 8261, 10340, 15020, 16522, 20680, 30040, 33044, 35297, 41305, 66088, 70594, 82610, 141188, 165220, 176485, 282376, 330440, 352970, 388267, 705940, 776534, 1411880, 1553068, 1941335, 3106136, 3882670, 7765340, 15530680]

約数ペア:

[(1, 15530680), (2, 7765340), (4, 3882670), (5, 3106136), (8, 1941335), (10, 1553068), (11, 1411880), (20, 776534), (22, 705940), (40, 388267), (44, 352970), (47, 330440), (55, 282376), (88, 176485), (94, 165220), (110, 141188), (188, 82610), (220, 70594), (235, 66088), (376, 41305), (440, 35297), (470, 33044), (517, 30040), (751, 20680), (940, 16522), (1034, 15020), (1502, 10340), (1880, 8261), (2068, 7510), (2585, 6008), (3004, 5170), (3755, 4136)]