81272040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8573}}^1$

素因数の和:8666

約数の個数: 64

約数和(自身を含む): 246931200

約数和(自身を除く): 165659160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2370, 3160, 4740, 8573, 9480, 17146, 25719, 34292, 42865, 51438, 68584, 85730, 102876, 128595, 171460, 205752, 257190, 342920, 514380, 677267, 1028760, 1354534, 2031801, 2709068, 3386335, 4063602, 5418136, 6772670, 8127204, 10159005, 13545340, 16254408, 20318010, 27090680, 40636020, 81272040]

約数ペア:

[(1, 81272040), (2, 40636020), (3, 27090680), (4, 20318010), (5, 16254408), (6, 13545340), (8, 10159005), (10, 8127204), (12, 6772670), (15, 5418136), (20, 4063602), (24, 3386335), (30, 2709068), (40, 2031801), (60, 1354534), (79, 1028760), (120, 677267), (158, 514380), (237, 342920), (316, 257190), (395, 205752), (474, 171460), (632, 128595), (790, 102876), (948, 85730), (1185, 68584), (1580, 51438), (1896, 42865), (2370, 34292), (3160, 25719), (4740, 17146), (8573, 9480)]