155879680

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11071}}^1$

素因数の和:11103

約数の個数: 72

約数和(自身を含む): 407361024

約数和(自身を除く): 251481344

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 7040, 11071, 14080, 22142, 44284, 55355, 88568, 110710, 121781, 177136, 221420, 243562, 354272, 442840, 487124, 608905, 708544, 885680, 974248, 1217810, 1417088, 1771360, 1948496, 2435620, 2834176, 3542720, 3896992, 4871240, 7085440, 7793984, 9742480, 14170880, 15587968, 19484960, 31175936, 38969920, 77939840, 155879680]

約数ペア:

[(1, 155879680), (2, 77939840), (4, 38969920), (5, 31175936), (8, 19484960), (10, 15587968), (11, 14170880), (16, 9742480), (20, 7793984), (22, 7085440), (32, 4871240), (40, 3896992), (44, 3542720), (55, 2834176), (64, 2435620), (80, 1948496), (88, 1771360), (110, 1417088), (128, 1217810), (160, 974248), (176, 885680), (220, 708544), (256, 608905), (320, 487124), (352, 442840), (440, 354272), (640, 243562), (704, 221420), (880, 177136), (1280, 121781), (1408, 110710), (1760, 88568), (2816, 55355), (3520, 44284), (7040, 22142), (11071, 14080)]