15513860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{443}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 34909056

約数和(自身を除く): 19395196

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 103, 170, 206, 340, 412, 443, 515, 886, 1030, 1751, 1772, 2060, 2215, 3502, 4430, 7004, 7531, 8755, 8860, 15062, 17510, 30124, 35020, 37655, 45629, 75310, 91258, 150620, 182516, 228145, 456290, 775693, 912580, 1551386, 3102772, 3878465, 7756930, 15513860]

約数ペア:

[(1, 15513860), (2, 7756930), (4, 3878465), (5, 3102772), (10, 1551386), (17, 912580), (20, 775693), (34, 456290), (68, 228145), (85, 182516), (103, 150620), (170, 91258), (206, 75310), (340, 45629), (412, 37655), (443, 35020), (515, 30124), (886, 17510), (1030, 15062), (1751, 8860), (1772, 8755), (2060, 7531), (2215, 7004), (3502, 4430)]