121457280

素因数分解:

$2^7\times 3^1\times 5^1\times 7^2\times {\mathrm{1291}}^1$

素因数の和:1327

約数の個数: 192

約数和(自身を含む): 450701280

約数和(自身を除く): 329244000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 384, 392, 420, 448, 480, 490, 560, 588, 640, 672, 735, 784, 840, 896, 960, 980, 1120, 1176, 1291, 1344, 1470, 1568, 1680, 1920, 1960, 2240, 2352, 2582, 2688, 2940, 3136, 3360, 3873, 3920, 4480, 4704, 5164, 5880, 6272, 6455, 6720, 7746, 7840, 9037, 9408, 10328, 11760, 12910, 13440, 15492, 15680, 18074, 18816, 19365, 20656, 23520, 25820, 27111, 30984, 31360, 36148, 38730, 41312, 45185, 47040, 51640, 54222, 61968, 63259, 72296, 77460, 82624, 90370, 94080, 103280, 108444, 123936, 126518, 135555, 144592, 154920, 165248, 180740, 189777, 206560, 216888, 247872, 253036, 271110, 289184, 309840, 316295, 361480, 379554, 413120, 433776, 495744, 506072, 542220, 578368, 619680, 632590, 722960, 759108, 826240, 867552, 948885, 1012144, 1084440, 1156736, 1239360, 1265180, 1445920, 1518216, 1735104, 1897770, 2024288, 2168880, 2478720, 2530360, 2891840, 3036432, 3470208, 3795540, 4048576, 4337760, 5060720, 5783680, 6072864, 7591080, 8097152, 8675520, 10121440, 12145728, 15182160, 17351040, 20242880, 24291456, 30364320, 40485760, 60728640, 121457280]

約数ペア:

[(1, 121457280), (2, 60728640), (3, 40485760), (4, 30364320), (5, 24291456), (6, 20242880), (7, 17351040), (8, 15182160), (10, 12145728), (12, 10121440), (14, 8675520), (15, 8097152), (16, 7591080), (20, 6072864), (21, 5783680), (24, 5060720), (28, 4337760), (30, 4048576), (32, 3795540), (35, 3470208), (40, 3036432), (42, 2891840), (48, 2530360), (49, 2478720), (56, 2168880), (60, 2024288), (64, 1897770), (70, 1735104), (80, 1518216), (84, 1445920), (96, 1265180), (98, 1239360), (105, 1156736), (112, 1084440), (120, 1012144), (128, 948885), (140, 867552), (147, 826240), (160, 759108), (168, 722960), (192, 632590), (196, 619680), (210, 578368), (224, 542220), (240, 506072), (245, 495744), (280, 433776), (294, 413120), (320, 379554), (336, 361480), (384, 316295), (392, 309840), (420, 289184), (448, 271110), (480, 253036), (490, 247872), (560, 216888), (588, 206560), (640, 189777), (672, 180740), (735, 165248), (784, 154920), (840, 144592), (896, 135555), (960, 126518), (980, 123936), (1120, 108444), (1176, 103280), (1291, 94080), (1344, 90370), (1470, 82624), (1568, 77460), (1680, 72296), (1920, 63259), (1960, 61968), (2240, 54222), (2352, 51640), (2582, 47040), (2688, 45185), (2940, 41312), (3136, 38730), (3360, 36148), (3873, 31360), (3920, 30984), (4480, 27111), (4704, 25820), (5164, 23520), (5880, 20656), (6272, 19365), (6455, 18816), (6720, 18074), (7746, 15680), (7840, 15492), (9037, 13440), (9408, 12910), (10328, 11760)]