11531440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:230

約数の個数: 80

約数和(自身を含む): 29060640

約数和(自身を除く): 17529200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 61, 68, 80, 85, 122, 136, 139, 170, 244, 272, 278, 305, 340, 488, 556, 610, 680, 695, 976, 1037, 1112, 1220, 1360, 1390, 2074, 2224, 2363, 2440, 2780, 4148, 4726, 4880, 5185, 5560, 8296, 8479, 9452, 10370, 11120, 11815, 16592, 16958, 18904, 20740, 23630, 33916, 37808, 41480, 42395, 47260, 67832, 82960, 84790, 94520, 135664, 144143, 169580, 189040, 288286, 339160, 576572, 678320, 720715, 1153144, 1441430, 2306288, 2882860, 5765720, 11531440]

約数ペア:

[(1, 11531440), (2, 5765720), (4, 2882860), (5, 2306288), (8, 1441430), (10, 1153144), (16, 720715), (17, 678320), (20, 576572), (34, 339160), (40, 288286), (61, 189040), (68, 169580), (80, 144143), (85, 135664), (122, 94520), (136, 84790), (139, 82960), (170, 67832), (244, 47260), (272, 42395), (278, 41480), (305, 37808), (340, 33916), (488, 23630), (556, 20740), (610, 18904), (680, 16958), (695, 16592), (976, 11815), (1037, 11120), (1112, 10370), (1220, 9452), (1360, 8479), (1390, 8296), (2074, 5560), (2224, 5185), (2363, 4880), (2440, 4726), (2780, 4148)]