15680790

素因数分解:

$2^1\times 3^8\times 5^1\times {\mathrm{239}}^1$

素因数の和:270

約数の個数: 72

約数和(自身を含む): 42513120

約数和(自身を除く): 26832330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 239, 243, 270, 405, 478, 486, 717, 729, 810, 1195, 1215, 1434, 1458, 2151, 2187, 2390, 2430, 3585, 3645, 4302, 4374, 6453, 6561, 7170, 7290, 10755, 10935, 12906, 13122, 19359, 21510, 21870, 32265, 32805, 38718, 58077, 64530, 65610, 96795, 116154, 174231, 193590, 290385, 348462, 522693, 580770, 871155, 1045386, 1568079, 1742310, 2613465, 3136158, 5226930, 7840395, 15680790]

約数ペア:

[(1, 15680790), (2, 7840395), (3, 5226930), (5, 3136158), (6, 2613465), (9, 1742310), (10, 1568079), (15, 1045386), (18, 871155), (27, 580770), (30, 522693), (45, 348462), (54, 290385), (81, 193590), (90, 174231), (135, 116154), (162, 96795), (239, 65610), (243, 64530), (270, 58077), (405, 38718), (478, 32805), (486, 32265), (717, 21870), (729, 21510), (810, 19359), (1195, 13122), (1215, 12906), (1434, 10935), (1458, 10755), (2151, 7290), (2187, 7170), (2390, 6561), (2430, 6453), (3585, 4374), (3645, 4302)]