31270260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{74453}}^1$

素因数の和:74472

約数の個数: 48

約数和(自身を含む): 100066176

約数和(自身を除く): 68795916

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 74453, 148906, 223359, 297812, 372265, 446718, 521171, 744530, 893436, 1042342, 1116795, 1489060, 1563513, 2084684, 2233590, 2605855, 3127026, 4467180, 5211710, 6254052, 7817565, 10423420, 15635130, 31270260]

約数ペア:

[(1, 31270260), (2, 15635130), (3, 10423420), (4, 7817565), (5, 6254052), (6, 5211710), (7, 4467180), (10, 3127026), (12, 2605855), (14, 2233590), (15, 2084684), (20, 1563513), (21, 1489060), (28, 1116795), (30, 1042342), (35, 893436), (42, 744530), (60, 521171), (70, 446718), (84, 372265), (105, 297812), (140, 223359), (210, 148906), (420, 74453)]