164560880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{4561}}^1$

素因数の和:4626

約数の個数: 80

約数和(自身を含む): 427660128

約数和(自身を除く): 263099248

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 80, 82, 88, 110, 164, 176, 205, 220, 328, 410, 440, 451, 656, 820, 880, 902, 1640, 1804, 2255, 3280, 3608, 4510, 4561, 7216, 9020, 9122, 18040, 18244, 22805, 36080, 36488, 45610, 50171, 72976, 91220, 100342, 182440, 187001, 200684, 250855, 364880, 374002, 401368, 501710, 748004, 802736, 935005, 1003420, 1496008, 1870010, 2006840, 2057011, 2992016, 3740020, 4013680, 4114022, 7480040, 8228044, 10285055, 14960080, 16456088, 20570110, 32912176, 41140220, 82280440, 164560880]

約数ペア:

[(1, 164560880), (2, 82280440), (4, 41140220), (5, 32912176), (8, 20570110), (10, 16456088), (11, 14960080), (16, 10285055), (20, 8228044), (22, 7480040), (40, 4114022), (41, 4013680), (44, 3740020), (55, 2992016), (80, 2057011), (82, 2006840), (88, 1870010), (110, 1496008), (164, 1003420), (176, 935005), (205, 802736), (220, 748004), (328, 501710), (410, 401368), (440, 374002), (451, 364880), (656, 250855), (820, 200684), (880, 187001), (902, 182440), (1640, 100342), (1804, 91220), (2255, 72976), (3280, 50171), (3608, 45610), (4510, 36488), (4561, 36080), (7216, 22805), (9020, 18244), (9122, 18040)]