65381520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{272423}}^1$

素因数の和:272439

約数の個数: 40

約数和(自身を含む): 202683456

約数和(自身を除く): 137301936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 272423, 544846, 817269, 1089692, 1362115, 1634538, 2179384, 2724230, 3269076, 4086345, 4358768, 5448460, 6538152, 8172690, 10896920, 13076304, 16345380, 21793840, 32690760, 65381520]

約数ペア:

[(1, 65381520), (2, 32690760), (3, 21793840), (4, 16345380), (5, 13076304), (6, 10896920), (8, 8172690), (10, 6538152), (12, 5448460), (15, 4358768), (16, 4086345), (20, 3269076), (24, 2724230), (30, 2179384), (40, 1634538), (48, 1362115), (60, 1089692), (80, 817269), (120, 544846), (240, 272423)]