91289680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:189

約数の個数: 120

約数和(自身を含む): 233857800

約数和(自身を除く): 142568120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 38, 40, 58, 76, 80, 95, 109, 116, 145, 152, 190, 218, 232, 290, 304, 361, 380, 436, 464, 545, 551, 580, 722, 760, 872, 1090, 1102, 1160, 1444, 1520, 1744, 1805, 2071, 2180, 2204, 2320, 2755, 2888, 3161, 3610, 4142, 4360, 4408, 5510, 5776, 6322, 7220, 8284, 8720, 8816, 10355, 10469, 11020, 12644, 14440, 15805, 16568, 20710, 20938, 22040, 25288, 28880, 31610, 33136, 39349, 41420, 41876, 44080, 50576, 52345, 60059, 63220, 78698, 82840, 83752, 104690, 120118, 126440, 157396, 165680, 167504, 196745, 209380, 240236, 252880, 300295, 314792, 393490, 418760, 480472, 600590, 629584, 786980, 837520, 960944, 1141121, 1201180, 1573960, 2282242, 2402360, 3147920, 4564484, 4804720, 5705605, 9128968, 11411210, 18257936, 22822420, 45644840, 91289680]

約数ペア:

[(1, 91289680), (2, 45644840), (4, 22822420), (5, 18257936), (8, 11411210), (10, 9128968), (16, 5705605), (19, 4804720), (20, 4564484), (29, 3147920), (38, 2402360), (40, 2282242), (58, 1573960), (76, 1201180), (80, 1141121), (95, 960944), (109, 837520), (116, 786980), (145, 629584), (152, 600590), (190, 480472), (218, 418760), (232, 393490), (290, 314792), (304, 300295), (361, 252880), (380, 240236), (436, 209380), (464, 196745), (545, 167504), (551, 165680), (580, 157396), (722, 126440), (760, 120118), (872, 104690), (1090, 83752), (1102, 82840), (1160, 78698), (1444, 63220), (1520, 60059), (1744, 52345), (1805, 50576), (2071, 44080), (2180, 41876), (2204, 41420), (2320, 39349), (2755, 33136), (2888, 31610), (3161, 28880), (3610, 25288), (4142, 22040), (4360, 20938), (4408, 20710), (5510, 16568), (5776, 15805), (6322, 14440), (7220, 12644), (8284, 11020), (8720, 10469), (8816, 10355)]