15205520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{467}}^1$

素因数の和:528

約数の個数: 80

約数和(自身を含む): 39693888

約数和(自身を除く): 24488368

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 74, 80, 88, 110, 148, 176, 185, 220, 296, 370, 407, 440, 467, 592, 740, 814, 880, 934, 1480, 1628, 1868, 2035, 2335, 2960, 3256, 3736, 4070, 4670, 5137, 6512, 7472, 8140, 9340, 10274, 16280, 17279, 18680, 20548, 25685, 32560, 34558, 37360, 41096, 51370, 69116, 82192, 86395, 102740, 138232, 172790, 190069, 205480, 276464, 345580, 380138, 410960, 691160, 760276, 950345, 1382320, 1520552, 1900690, 3041104, 3801380, 7602760, 15205520]

約数ペア:

[(1, 15205520), (2, 7602760), (4, 3801380), (5, 3041104), (8, 1900690), (10, 1520552), (11, 1382320), (16, 950345), (20, 760276), (22, 691160), (37, 410960), (40, 380138), (44, 345580), (55, 276464), (74, 205480), (80, 190069), (88, 172790), (110, 138232), (148, 102740), (176, 86395), (185, 82192), (220, 69116), (296, 51370), (370, 41096), (407, 37360), (440, 34558), (467, 32560), (592, 25685), (740, 20548), (814, 18680), (880, 17279), (934, 16280), (1480, 10274), (1628, 9340), (1868, 8140), (2035, 7472), (2335, 6512), (2960, 5137), (3256, 4670), (3736, 4070)]