81008830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1$

素因数の和:361

約数の個数: 64

約数和(自身を含む): 171859968

約数和(自身を除く): 90851138

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 73, 83, 146, 166, 191, 365, 382, 415, 511, 581, 730, 830, 955, 1022, 1162, 1337, 1910, 2555, 2674, 2905, 5110, 5810, 6059, 6685, 12118, 13370, 13943, 15853, 27886, 30295, 31706, 42413, 60590, 69715, 79265, 84826, 97601, 110971, 139430, 158530, 195202, 212065, 221942, 424130, 488005, 554855, 976010, 1109710, 1157269, 2314538, 5786345, 8100883, 11572690, 16201766, 40504415, 81008830]

約数ペア:

[(1, 81008830), (2, 40504415), (5, 16201766), (7, 11572690), (10, 8100883), (14, 5786345), (35, 2314538), (70, 1157269), (73, 1109710), (83, 976010), (146, 554855), (166, 488005), (191, 424130), (365, 221942), (382, 212065), (415, 195202), (511, 158530), (581, 139430), (730, 110971), (830, 97601), (955, 84826), (1022, 79265), (1162, 69715), (1337, 60590), (1910, 42413), (2555, 31706), (2674, 30295), (2905, 27886), (5110, 15853), (5810, 13943), (6059, 13370), (6685, 12118)]