64721760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{134837}}^1$

素因数の和:134855

約数の個数: 48

約数和(自身を含む): 203875056

約数和(自身を除く): 139153296

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 134837, 269674, 404511, 539348, 674185, 809022, 1078696, 1348370, 1618044, 2022555, 2157392, 2696740, 3236088, 4045110, 4314784, 5393480, 6472176, 8090220, 10786960, 12944352, 16180440, 21573920, 32360880, 64721760]

約数ペア:

[(1, 64721760), (2, 32360880), (3, 21573920), (4, 16180440), (5, 12944352), (6, 10786960), (8, 8090220), (10, 6472176), (12, 5393480), (15, 4314784), (16, 4045110), (20, 3236088), (24, 2696740), (30, 2157392), (32, 2022555), (40, 1618044), (48, 1348370), (60, 1078696), (80, 809022), (96, 674185), (120, 539348), (160, 404511), (240, 269674), (480, 134837)]