15135220

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 33113808

約数和(自身を除く): 17978588

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 113, 148, 181, 185, 226, 362, 370, 452, 565, 724, 740, 905, 1130, 1810, 2260, 3620, 4181, 6697, 8362, 13394, 16724, 20453, 20905, 26788, 33485, 40906, 41810, 66970, 81812, 83620, 102265, 133940, 204530, 409060, 756761, 1513522, 3027044, 3783805, 7567610, 15135220]

約数ペア:

[(1, 15135220), (2, 7567610), (4, 3783805), (5, 3027044), (10, 1513522), (20, 756761), (37, 409060), (74, 204530), (113, 133940), (148, 102265), (181, 83620), (185, 81812), (226, 66970), (362, 41810), (370, 40906), (452, 33485), (565, 26788), (724, 20905), (740, 20453), (905, 16724), (1130, 13394), (1810, 8362), (2260, 6697), (3620, 4181)]