81595500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1$

素因数の和:457

約数の個数: 192

約数和(自身を含む): 286540800

約数和(自身を除く): 204945300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 25, 28, 30, 35, 38, 42, 50, 57, 60, 70, 75, 76, 84, 95, 100, 105, 114, 125, 133, 140, 150, 175, 190, 210, 228, 250, 266, 285, 300, 350, 375, 380, 399, 409, 420, 475, 500, 525, 532, 570, 665, 700, 750, 798, 818, 875, 950, 1050, 1140, 1227, 1330, 1425, 1500, 1596, 1636, 1750, 1900, 1995, 2045, 2100, 2375, 2454, 2625, 2660, 2850, 2863, 3325, 3500, 3990, 4090, 4750, 4908, 5250, 5700, 5726, 6135, 6650, 7125, 7771, 7980, 8180, 8589, 9500, 9975, 10225, 10500, 11452, 12270, 13300, 14250, 14315, 15542, 16625, 17178, 19950, 20450, 23313, 24540, 28500, 28630, 30675, 31084, 33250, 34356, 38855, 39900, 40900, 42945, 46626, 49875, 51125, 54397, 57260, 61350, 66500, 71575, 77710, 85890, 93252, 99750, 102250, 108794, 116565, 122700, 143150, 153375, 155420, 163191, 171780, 194275, 199500, 204500, 214725, 217588, 233130, 271985, 286300, 306750, 326382, 357875, 388550, 429450, 466260, 543970, 582825, 613500, 652764, 715750, 777100, 815955, 858900, 971375, 1073625, 1087940, 1165650, 1359925, 1431500, 1631910, 1942750, 2147250, 2331300, 2719850, 2914125, 3263820, 3885500, 4079775, 4294500, 5439700, 5828250, 6799625, 8159550, 11656500, 13599250, 16319100, 20398875, 27198500, 40797750, 81595500]

約数ペア:

[(1, 81595500), (2, 40797750), (3, 27198500), (4, 20398875), (5, 16319100), (6, 13599250), (7, 11656500), (10, 8159550), (12, 6799625), (14, 5828250), (15, 5439700), (19, 4294500), (20, 4079775), (21, 3885500), (25, 3263820), (28, 2914125), (30, 2719850), (35, 2331300), (38, 2147250), (42, 1942750), (50, 1631910), (57, 1431500), (60, 1359925), (70, 1165650), (75, 1087940), (76, 1073625), (84, 971375), (95, 858900), (100, 815955), (105, 777100), (114, 715750), (125, 652764), (133, 613500), (140, 582825), (150, 543970), (175, 466260), (190, 429450), (210, 388550), (228, 357875), (250, 326382), (266, 306750), (285, 286300), (300, 271985), (350, 233130), (375, 217588), (380, 214725), (399, 204500), (409, 199500), (420, 194275), (475, 171780), (500, 163191), (525, 155420), (532, 153375), (570, 143150), (665, 122700), (700, 116565), (750, 108794), (798, 102250), (818, 99750), (875, 93252), (950, 85890), (1050, 77710), (1140, 71575), (1227, 66500), (1330, 61350), (1425, 57260), (1500, 54397), (1596, 51125), (1636, 49875), (1750, 46626), (1900, 42945), (1995, 40900), (2045, 39900), (2100, 38855), (2375, 34356), (2454, 33250), (2625, 31084), (2660, 30675), (2850, 28630), (2863, 28500), (3325, 24540), (3500, 23313), (3990, 20450), (4090, 19950), (4750, 17178), (4908, 16625), (5250, 15542), (5700, 14315), (5726, 14250), (6135, 13300), (6650, 12270), (7125, 11452), (7771, 10500), (7980, 10225), (8180, 9975), (8589, 9500)]