15821940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{7127}}^1$

素因数の和:7176

約数の個数: 48

約数和(自身を含む): 45505152

約数和(自身を除く): 29683212

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 7127, 14254, 21381, 28508, 35635, 42762, 71270, 85524, 106905, 142540, 213810, 263699, 427620, 527398, 791097, 1054796, 1318495, 1582194, 2636990, 3164388, 3955485, 5273980, 7910970, 15821940]

約数ペア:

[(1, 15821940), (2, 7910970), (3, 5273980), (4, 3955485), (5, 3164388), (6, 2636990), (10, 1582194), (12, 1318495), (15, 1054796), (20, 791097), (30, 527398), (37, 427620), (60, 263699), (74, 213810), (111, 142540), (148, 106905), (185, 85524), (222, 71270), (370, 42762), (444, 35635), (555, 28508), (740, 21381), (1110, 14254), (2220, 7127)]