15272740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{59}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 38162880

約数和(自身を除く): 22890140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 59, 70, 86, 118, 140, 172, 215, 236, 295, 301, 413, 430, 590, 602, 826, 860, 1180, 1204, 1505, 1652, 1849, 2065, 2537, 3010, 3698, 4130, 5074, 6020, 7396, 8260, 9245, 10148, 12685, 12943, 17759, 18490, 25370, 25886, 35518, 36980, 50740, 51772, 64715, 71036, 88795, 109091, 129430, 177590, 218182, 258860, 355180, 436364, 545455, 763637, 1090910, 1527274, 2181820, 3054548, 3818185, 7636370, 15272740]

約数ペア:

[(1, 15272740), (2, 7636370), (4, 3818185), (5, 3054548), (7, 2181820), (10, 1527274), (14, 1090910), (20, 763637), (28, 545455), (35, 436364), (43, 355180), (59, 258860), (70, 218182), (86, 177590), (118, 129430), (140, 109091), (172, 88795), (215, 71036), (236, 64715), (295, 51772), (301, 50740), (413, 36980), (430, 35518), (590, 25886), (602, 25370), (826, 18490), (860, 17759), (1180, 12943), (1204, 12685), (1505, 10148), (1652, 9245), (1849, 8260), (2065, 7396), (2537, 6020), (3010, 5074), (3698, 4130)]