15988020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3373}}^1$

素因数の和:3464

約数の個数: 48

約数和(自身を含む): 45346560

約数和(自身を除く): 29358540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 3373, 4740, 6746, 10119, 13492, 16865, 20238, 33730, 40476, 50595, 67460, 101190, 202380, 266467, 532934, 799401, 1065868, 1332335, 1598802, 2664670, 3197604, 3997005, 5329340, 7994010, 15988020]

約数ペア:

[(1, 15988020), (2, 7994010), (3, 5329340), (4, 3997005), (5, 3197604), (6, 2664670), (10, 1598802), (12, 1332335), (15, 1065868), (20, 799401), (30, 532934), (60, 266467), (79, 202380), (158, 101190), (237, 67460), (316, 50595), (395, 40476), (474, 33730), (790, 20238), (948, 16865), (1185, 13492), (1580, 10119), (2370, 6746), (3373, 4740)]