290317440

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{21601}}^1$

素因数の和:21630

約数の個数: 128

約数和(自身を含む): 1057633920

約数和(自身を除く): 767316480

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, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 21601, 43202, 64803, 86404, 108005, 129606, 151207, 172808, 216010, 259212, 302414, 324015, 345616, 432020, 453621, 518424, 604828, 648030, 691232, 756035, 864040, 907242, 1036848, 1209656, 1296060, 1382464, 1512070, 1728080, 1814484, 2073696, 2268105, 2419312, 2592120, 2764928, 3024140, 3456160, 3628968, 4147392, 4536210, 4838624, 5184240, 6048280, 6912320, 7257936, 8294784, 9072420, 9677248, 10368480, 12096560, 13824640, 14515872, 18144840, 19354496, 20736960, 24193120, 29031744, 36289680, 41473920, 48386240, 58063488, 72579360, 96772480, 145158720, 290317440]

約数ペア:

[(1, 290317440), (2, 145158720), (3, 96772480), (4, 72579360), (5, 58063488), (6, 48386240), (7, 41473920), (8, 36289680), (10, 29031744), (12, 24193120), (14, 20736960), (15, 19354496), (16, 18144840), (20, 14515872), (21, 13824640), (24, 12096560), (28, 10368480), (30, 9677248), (32, 9072420), (35, 8294784), (40, 7257936), (42, 6912320), (48, 6048280), (56, 5184240), (60, 4838624), (64, 4536210), (70, 4147392), (80, 3628968), (84, 3456160), (96, 3024140), (105, 2764928), (112, 2592120), (120, 2419312), (128, 2268105), (140, 2073696), (160, 1814484), (168, 1728080), (192, 1512070), (210, 1382464), (224, 1296060), (240, 1209656), (280, 1036848), (320, 907242), (336, 864040), (384, 756035), (420, 691232), (448, 648030), (480, 604828), (560, 518424), (640, 453621), (672, 432020), (840, 345616), (896, 324015), (960, 302414), (1120, 259212), (1344, 216010), (1680, 172808), (1920, 151207), (2240, 129606), (2688, 108005), (3360, 86404), (4480, 64803), (6720, 43202), (13440, 21601)]