15721620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{262027}}^1$

素因数の和:262039

約数の個数: 24

約数和(自身を含む): 44020704

約数和(自身を除く): 28299084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 262027, 524054, 786081, 1048108, 1310135, 1572162, 2620270, 3144324, 3930405, 5240540, 7860810, 15721620]

約数ペア:

[(1, 15721620), (2, 7860810), (3, 5240540), (4, 3930405), (5, 3144324), (6, 2620270), (10, 1572162), (12, 1310135), (15, 1048108), (20, 786081), (30, 524054), (60, 262027)]