74637920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{647}}^1$

素因数の和:772

約数の個数: 96

約数和(自身を含む): 203793408

約数和(自身を除く): 129155488

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 103, 112, 140, 160, 206, 224, 280, 412, 515, 560, 647, 721, 824, 1030, 1120, 1294, 1442, 1648, 2060, 2588, 2884, 3235, 3296, 3605, 4120, 4529, 5176, 5768, 6470, 7210, 8240, 9058, 10352, 11536, 12940, 14420, 16480, 18116, 20704, 22645, 23072, 25880, 28840, 36232, 45290, 51760, 57680, 66641, 72464, 90580, 103520, 115360, 133282, 144928, 181160, 266564, 333205, 362320, 466487, 533128, 666410, 724640, 932974, 1066256, 1332820, 1865948, 2132512, 2332435, 2665640, 3731896, 4664870, 5331280, 7463792, 9329740, 10662560, 14927584, 18659480, 37318960, 74637920]

約数ペア:

[(1, 74637920), (2, 37318960), (4, 18659480), (5, 14927584), (7, 10662560), (8, 9329740), (10, 7463792), (14, 5331280), (16, 4664870), (20, 3731896), (28, 2665640), (32, 2332435), (35, 2132512), (40, 1865948), (56, 1332820), (70, 1066256), (80, 932974), (103, 724640), (112, 666410), (140, 533128), (160, 466487), (206, 362320), (224, 333205), (280, 266564), (412, 181160), (515, 144928), (560, 133282), (647, 115360), (721, 103520), (824, 90580), (1030, 72464), (1120, 66641), (1294, 57680), (1442, 51760), (1648, 45290), (2060, 36232), (2588, 28840), (2884, 25880), (3235, 23072), (3296, 22645), (3605, 20704), (4120, 18116), (4529, 16480), (5176, 14420), (5768, 12940), (6470, 11536), (7210, 10352), (8240, 9058)]