1280452580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{1979}}^1$

素因数の和:2189

約数の個数: 96

約数和(自身を含む): 3125485440

約数和(自身を除く): 1845032860

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 173, 187, 220, 340, 346, 374, 692, 748, 865, 935, 1730, 1870, 1903, 1979, 2941, 3460, 3740, 3806, 3958, 5882, 7612, 7916, 9515, 9895, 11764, 14705, 19030, 19790, 21769, 29410, 32351, 33643, 38060, 39580, 43538, 58820, 64702, 67286, 87076, 108845, 129404, 134572, 161755, 168215, 217690, 323510, 336430, 342367, 370073, 435380, 647020, 672860, 684734, 740146, 1369468, 1480292, 1711835, 1850365, 3423670, 3700730, 3766037, 5820239, 6847340, 7401460, 7532074, 11640478, 15064148, 18830185, 23280956, 29101195, 37660370, 58202390, 64022629, 75320740, 116404780, 128045258, 256090516, 320113145, 640226290, 1280452580]

約数ペア:

[(1, 1280452580), (2, 640226290), (4, 320113145), (5, 256090516), (10, 128045258), (11, 116404780), (17, 75320740), (20, 64022629), (22, 58202390), (34, 37660370), (44, 29101195), (55, 23280956), (68, 18830185), (85, 15064148), (110, 11640478), (170, 7532074), (173, 7401460), (187, 6847340), (220, 5820239), (340, 3766037), (346, 3700730), (374, 3423670), (692, 1850365), (748, 1711835), (865, 1480292), (935, 1369468), (1730, 740146), (1870, 684734), (1903, 672860), (1979, 647020), (2941, 435380), (3460, 370073), (3740, 342367), (3806, 336430), (3958, 323510), (5882, 217690), (7612, 168215), (7916, 161755), (9515, 134572), (9895, 129404), (11764, 108845), (14705, 87076), (19030, 67286), (19790, 64702), (21769, 58820), (29410, 43538), (32351, 39580), (33643, 38060)]