81239148800

素因数分解:

$2^8\times 5^2\times {\mathrm{103}}^1\times {\mathrm{123239}}^1$

素因数の和:123368

約数の個数: 108

約数和(自身を含む): 203033463360

約数和(自身を除く): 121794314560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 103, 128, 160, 200, 206, 256, 320, 400, 412, 515, 640, 800, 824, 1030, 1280, 1600, 1648, 2060, 2575, 3200, 3296, 4120, 5150, 6400, 6592, 8240, 10300, 13184, 16480, 20600, 26368, 32960, 41200, 65920, 82400, 123239, 131840, 164800, 246478, 329600, 492956, 616195, 659200, 985912, 1232390, 1971824, 2464780, 3080975, 3943648, 4929560, 6161950, 7887296, 9859120, 12323900, 12693617, 15774592, 19718240, 24647800, 25387234, 31549184, 39436480, 49295600, 50774468, 63468085, 78872960, 98591200, 101548936, 126936170, 157745920, 197182400, 203097872, 253872340, 317340425, 394364800, 406195744, 507744680, 634680850, 788729600, 812391488, 1015489360, 1269361700, 1624782976, 2030978720, 2538723400, 3249565952, 4061957440, 5077446800, 8123914880, 10154893600, 16247829760, 20309787200, 40619574400, 81239148800]

約数ペア:

[(1, 81239148800), (2, 40619574400), (4, 20309787200), (5, 16247829760), (8, 10154893600), (10, 8123914880), (16, 5077446800), (20, 4061957440), (25, 3249565952), (32, 2538723400), (40, 2030978720), (50, 1624782976), (64, 1269361700), (80, 1015489360), (100, 812391488), (103, 788729600), (128, 634680850), (160, 507744680), (200, 406195744), (206, 394364800), (256, 317340425), (320, 253872340), (400, 203097872), (412, 197182400), (515, 157745920), (640, 126936170), (800, 101548936), (824, 98591200), (1030, 78872960), (1280, 63468085), (1600, 50774468), (1648, 49295600), (2060, 39436480), (2575, 31549184), (3200, 25387234), (3296, 24647800), (4120, 19718240), (5150, 15774592), (6400, 12693617), (6592, 12323900), (8240, 9859120), (10300, 7887296), (13184, 6161950), (16480, 4929560), (20600, 3943648), (26368, 3080975), (32960, 2464780), (41200, 1971824), (65920, 1232390), (82400, 985912), (123239, 659200), (131840, 616195), (164800, 492956), (246478, 329600)]