1781005440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{2113}}^1$

素因数の和:2574

約数の個数: 128

約数和(自身を含む): 5692579200

約数和(自身を除く): 3911573760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 439, 480, 640, 878, 960, 1317, 1756, 1920, 2113, 2195, 2634, 3512, 4226, 4390, 5268, 6339, 6585, 7024, 8452, 8780, 10536, 10565, 12678, 13170, 14048, 16904, 17560, 21072, 21130, 25356, 26340, 28096, 31695, 33808, 35120, 42144, 42260, 50712, 52680, 56192, 63390, 67616, 70240, 84288, 84520, 101424, 105360, 126780, 135232, 140480, 168576, 169040, 202848, 210720, 253560, 270464, 280960, 338080, 405696, 421440, 507120, 676160, 811392, 842880, 927607, 1014240, 1352320, 1855214, 2028480, 2782821, 3710428, 4056960, 4638035, 5565642, 7420856, 9276070, 11131284, 13914105, 14841712, 18552140, 22262568, 27828210, 29683424, 37104280, 44525136, 55656420, 59366848, 74208560, 89050272, 111312840, 118733696, 148417120, 178100544, 222625680, 296834240, 356201088, 445251360, 593668480, 890502720, 1781005440]

約数ペア:

[(1, 1781005440), (2, 890502720), (3, 593668480), (4, 445251360), (5, 356201088), (6, 296834240), (8, 222625680), (10, 178100544), (12, 148417120), (15, 118733696), (16, 111312840), (20, 89050272), (24, 74208560), (30, 59366848), (32, 55656420), (40, 44525136), (48, 37104280), (60, 29683424), (64, 27828210), (80, 22262568), (96, 18552140), (120, 14841712), (128, 13914105), (160, 11131284), (192, 9276070), (240, 7420856), (320, 5565642), (384, 4638035), (439, 4056960), (480, 3710428), (640, 2782821), (878, 2028480), (960, 1855214), (1317, 1352320), (1756, 1014240), (1920, 927607), (2113, 842880), (2195, 811392), (2634, 676160), (3512, 507120), (4226, 421440), (4390, 405696), (5268, 338080), (6339, 280960), (6585, 270464), (7024, 253560), (8452, 210720), (8780, 202848), (10536, 169040), (10565, 168576), (12678, 140480), (13170, 135232), (14048, 126780), (16904, 105360), (17560, 101424), (21072, 84520), (21130, 84288), (25356, 70240), (26340, 67616), (28096, 63390), (31695, 56192), (33808, 52680), (35120, 50712), (42144, 42260)]