15205470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1187}}^1$

素因数の和:1265

約数の個数: 64

約数和(自身を含む): 42425856

約数和(自身を除く): 27220386

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 61, 70, 105, 122, 183, 210, 305, 366, 427, 610, 854, 915, 1187, 1281, 1830, 2135, 2374, 2562, 3561, 4270, 5935, 6405, 7122, 8309, 11870, 12810, 16618, 17805, 24927, 35610, 41545, 49854, 72407, 83090, 124635, 144814, 217221, 249270, 362035, 434442, 506849, 724070, 1013698, 1086105, 1520547, 2172210, 2534245, 3041094, 5068490, 7602735, 15205470]

約数ペア:

[(1, 15205470), (2, 7602735), (3, 5068490), (5, 3041094), (6, 2534245), (7, 2172210), (10, 1520547), (14, 1086105), (15, 1013698), (21, 724070), (30, 506849), (35, 434442), (42, 362035), (61, 249270), (70, 217221), (105, 144814), (122, 124635), (183, 83090), (210, 72407), (305, 49854), (366, 41545), (427, 35610), (610, 24927), (854, 17805), (915, 16618), (1187, 12810), (1281, 11870), (1830, 8309), (2135, 7122), (2374, 6405), (2562, 5935), (3561, 4270)]