15401620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1601}}^1$

素因数の和:1660

約数の個数: 48

約数和(自身を含む): 35795088

約数和(自身を除く): 20393468

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1601, 1924, 2405, 3202, 4810, 6404, 8005, 9620, 16010, 20813, 32020, 41626, 59237, 83252, 104065, 118474, 208130, 236948, 296185, 416260, 592370, 770081, 1184740, 1540162, 3080324, 3850405, 7700810, 15401620]

約数ペア:

[(1, 15401620), (2, 7700810), (4, 3850405), (5, 3080324), (10, 1540162), (13, 1184740), (20, 770081), (26, 592370), (37, 416260), (52, 296185), (65, 236948), (74, 208130), (130, 118474), (148, 104065), (185, 83252), (260, 59237), (370, 41626), (481, 32020), (740, 20813), (962, 16010), (1601, 9620), (1924, 8005), (2405, 6404), (3202, 4810)]