81656000

素因数分解:

$2^6\times 5^3\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:259

約数の個数: 112

約数和(自身を含む): 206837280

約数和(自身を除く): 125181280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 59, 64, 80, 100, 118, 125, 160, 173, 200, 236, 250, 295, 320, 346, 400, 472, 500, 590, 692, 800, 865, 944, 1000, 1180, 1384, 1475, 1600, 1730, 1888, 2000, 2360, 2768, 2950, 3460, 3776, 4000, 4325, 4720, 5536, 5900, 6920, 7375, 8000, 8650, 9440, 10207, 11072, 11800, 13840, 14750, 17300, 18880, 20414, 21625, 23600, 27680, 29500, 34600, 40828, 43250, 47200, 51035, 55360, 59000, 69200, 81656, 86500, 94400, 102070, 118000, 138400, 163312, 173000, 204140, 236000, 255175, 276800, 326624, 346000, 408280, 472000, 510350, 653248, 692000, 816560, 1020700, 1275875, 1384000, 1633120, 2041400, 2551750, 3266240, 4082800, 5103500, 8165600, 10207000, 16331200, 20414000, 40828000, 81656000]

約数ペア:

[(1, 81656000), (2, 40828000), (4, 20414000), (5, 16331200), (8, 10207000), (10, 8165600), (16, 5103500), (20, 4082800), (25, 3266240), (32, 2551750), (40, 2041400), (50, 1633120), (59, 1384000), (64, 1275875), (80, 1020700), (100, 816560), (118, 692000), (125, 653248), (160, 510350), (173, 472000), (200, 408280), (236, 346000), (250, 326624), (295, 276800), (320, 255175), (346, 236000), (400, 204140), (472, 173000), (500, 163312), (590, 138400), (692, 118000), (800, 102070), (865, 94400), (944, 86500), (1000, 81656), (1180, 69200), (1384, 59000), (1475, 55360), (1600, 51035), (1730, 47200), (1888, 43250), (2000, 40828), (2360, 34600), (2768, 29500), (2950, 27680), (3460, 23600), (3776, 21625), (4000, 20414), (4325, 18880), (4720, 17300), (5536, 14750), (5900, 13840), (6920, 11800), (7375, 11072), (8000, 10207), (8650, 9440)]