71758480

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:304

約数の個数: 80

約数和(自身を含む): 172113984

約数和(自身を除く): 100355504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 101, 107, 166, 202, 214, 332, 404, 415, 428, 505, 535, 664, 808, 830, 856, 1010, 1070, 1328, 1616, 1660, 1712, 2020, 2140, 3320, 4040, 4280, 6640, 8080, 8383, 8560, 8881, 10807, 16766, 17762, 21614, 33532, 35524, 41915, 43228, 44405, 54035, 67064, 71048, 83830, 86456, 88810, 108070, 134128, 142096, 167660, 172912, 177620, 216140, 335320, 355240, 432280, 670640, 710480, 864560, 896981, 1793962, 3587924, 4484905, 7175848, 8969810, 14351696, 17939620, 35879240, 71758480]

約数ペア:

[(1, 71758480), (2, 35879240), (4, 17939620), (5, 14351696), (8, 8969810), (10, 7175848), (16, 4484905), (20, 3587924), (40, 1793962), (80, 896981), (83, 864560), (101, 710480), (107, 670640), (166, 432280), (202, 355240), (214, 335320), (332, 216140), (404, 177620), (415, 172912), (428, 167660), (505, 142096), (535, 134128), (664, 108070), (808, 88810), (830, 86456), (856, 83830), (1010, 71048), (1070, 67064), (1328, 54035), (1616, 44405), (1660, 43228), (1712, 41915), (2020, 35524), (2140, 33532), (3320, 21614), (4040, 17762), (4280, 16766), (6640, 10807), (8080, 8881), (8383, 8560)]