121841680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1129}}^1$

素因数の和:1232

約数の個数: 80

約数和(自身を含む): 302659200

約数和(自身を除く): 180817520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 71, 76, 80, 95, 142, 152, 190, 284, 304, 355, 380, 568, 710, 760, 1129, 1136, 1349, 1420, 1520, 2258, 2698, 2840, 4516, 5396, 5645, 5680, 6745, 9032, 10792, 11290, 13490, 18064, 21451, 21584, 22580, 26980, 42902, 45160, 53960, 80159, 85804, 90320, 107255, 107920, 160318, 171608, 214510, 320636, 343216, 400795, 429020, 641272, 801590, 858040, 1282544, 1523021, 1603180, 1716080, 3046042, 3206360, 6092084, 6412720, 7615105, 12184168, 15230210, 24368336, 30460420, 60920840, 121841680]

約数ペア:

[(1, 121841680), (2, 60920840), (4, 30460420), (5, 24368336), (8, 15230210), (10, 12184168), (16, 7615105), (19, 6412720), (20, 6092084), (38, 3206360), (40, 3046042), (71, 1716080), (76, 1603180), (80, 1523021), (95, 1282544), (142, 858040), (152, 801590), (190, 641272), (284, 429020), (304, 400795), (355, 343216), (380, 320636), (568, 214510), (710, 171608), (760, 160318), (1129, 107920), (1136, 107255), (1349, 90320), (1420, 85804), (1520, 80159), (2258, 53960), (2698, 45160), (2840, 42902), (4516, 26980), (5396, 22580), (5645, 21584), (5680, 21451), (6745, 18064), (9032, 13490), (10792, 11290)]