71718640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1543}}^1$

素因数の和:1646

約数の個数: 80

約数和(自身を含む): 192987648

約数和(自身を除く): 121269008

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 83, 112, 140, 166, 280, 332, 415, 560, 581, 664, 830, 1162, 1328, 1543, 1660, 2324, 2905, 3086, 3320, 4648, 5810, 6172, 6640, 7715, 9296, 10801, 11620, 12344, 15430, 21602, 23240, 24688, 30860, 43204, 46480, 54005, 61720, 86408, 108010, 123440, 128069, 172816, 216020, 256138, 432040, 512276, 640345, 864080, 896483, 1024552, 1280690, 1792966, 2049104, 2561380, 3585932, 4482415, 5122760, 7171864, 8964830, 10245520, 14343728, 17929660, 35859320, 71718640]

約数ペア:

[(1, 71718640), (2, 35859320), (4, 17929660), (5, 14343728), (7, 10245520), (8, 8964830), (10, 7171864), (14, 5122760), (16, 4482415), (20, 3585932), (28, 2561380), (35, 2049104), (40, 1792966), (56, 1280690), (70, 1024552), (80, 896483), (83, 864080), (112, 640345), (140, 512276), (166, 432040), (280, 256138), (332, 216020), (415, 172816), (560, 128069), (581, 123440), (664, 108010), (830, 86408), (1162, 61720), (1328, 54005), (1543, 46480), (1660, 43204), (2324, 30860), (2905, 24688), (3086, 23240), (3320, 21602), (4648, 15430), (5810, 12344), (6172, 11620), (6640, 10801), (7715, 9296)]