64861320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{540511}}^1$

素因数の和:540525

約数の個数: 32

約数和(自身を含む): 194584320

約数和(自身を除く): 129723000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 540511, 1081022, 1621533, 2162044, 2702555, 3243066, 4324088, 5405110, 6486132, 8107665, 10810220, 12972264, 16215330, 21620440, 32430660, 64861320]

約数ペア:

[(1, 64861320), (2, 32430660), (3, 21620440), (4, 16215330), (5, 12972264), (6, 10810220), (8, 8107665), (10, 6486132), (12, 5405110), (15, 4324088), (20, 3243066), (24, 2702555), (30, 2162044), (40, 1621533), (60, 1081022), (120, 540511)]