15988890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1187}}^1$

素因数の和:1646

約数の個数: 32

約数和(自身を含む): 38491200

約数和(自身を除く): 22502310

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 449, 898, 1187, 1347, 2245, 2374, 2694, 3561, 4490, 5935, 6735, 7122, 11870, 13470, 17805, 35610, 532963, 1065926, 1598889, 2664815, 3197778, 5329630, 7994445, 15988890]

約数ペア:

[(1, 15988890), (2, 7994445), (3, 5329630), (5, 3197778), (6, 2664815), (10, 1598889), (15, 1065926), (30, 532963), (449, 35610), (898, 17805), (1187, 13470), (1347, 11870), (2245, 7122), (2374, 6735), (2694, 5935), (3561, 4490)]