64639920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{269333}}^1$

素因数の和:269349

約数の個数: 40

約数和(自身を含む): 200384496

約数和(自身を除く): 135744576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 269333, 538666, 807999, 1077332, 1346665, 1615998, 2154664, 2693330, 3231996, 4039995, 4309328, 5386660, 6463992, 8079990, 10773320, 12927984, 16159980, 21546640, 32319960, 64639920]

約数ペア:

[(1, 64639920), (2, 32319960), (3, 21546640), (4, 16159980), (5, 12927984), (6, 10773320), (8, 8079990), (10, 6463992), (12, 5386660), (15, 4309328), (16, 4039995), (20, 3231996), (24, 2693330), (30, 2154664), (40, 1615998), (48, 1346665), (60, 1077332), (80, 807999), (120, 538666), (240, 269333)]