81966000

素因数分解:

$2^4\times 3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{719}}^1$

素因数の和:764

約数の個数: 160

約数和(自身を含む): 278553600

約数和(自身を除く): 196587600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 25, 30, 38, 40, 48, 50, 57, 60, 75, 76, 80, 95, 100, 114, 120, 125, 150, 152, 190, 200, 228, 240, 250, 285, 300, 304, 375, 380, 400, 456, 475, 500, 570, 600, 719, 750, 760, 912, 950, 1000, 1140, 1200, 1425, 1438, 1500, 1520, 1900, 2000, 2157, 2280, 2375, 2850, 2876, 3000, 3595, 3800, 4314, 4560, 4750, 5700, 5752, 6000, 7125, 7190, 7600, 8628, 9500, 10785, 11400, 11504, 13661, 14250, 14380, 17256, 17975, 19000, 21570, 22800, 27322, 28500, 28760, 34512, 35950, 38000, 40983, 43140, 53925, 54644, 57000, 57520, 68305, 71900, 81966, 86280, 89875, 107850, 109288, 114000, 136610, 143800, 163932, 172560, 179750, 204915, 215700, 218576, 269625, 273220, 287600, 327864, 341525, 359500, 409830, 431400, 539250, 546440, 655728, 683050, 719000, 819660, 862800, 1024575, 1078500, 1092880, 1366100, 1438000, 1639320, 1707625, 2049150, 2157000, 2732200, 3278640, 3415250, 4098300, 4314000, 5122875, 5464400, 6830500, 8196600, 10245750, 13661000, 16393200, 20491500, 27322000, 40983000, 81966000]

約数ペア:

[(1, 81966000), (2, 40983000), (3, 27322000), (4, 20491500), (5, 16393200), (6, 13661000), (8, 10245750), (10, 8196600), (12, 6830500), (15, 5464400), (16, 5122875), (19, 4314000), (20, 4098300), (24, 3415250), (25, 3278640), (30, 2732200), (38, 2157000), (40, 2049150), (48, 1707625), (50, 1639320), (57, 1438000), (60, 1366100), (75, 1092880), (76, 1078500), (80, 1024575), (95, 862800), (100, 819660), (114, 719000), (120, 683050), (125, 655728), (150, 546440), (152, 539250), (190, 431400), (200, 409830), (228, 359500), (240, 341525), (250, 327864), (285, 287600), (300, 273220), (304, 269625), (375, 218576), (380, 215700), (400, 204915), (456, 179750), (475, 172560), (500, 163932), (570, 143800), (600, 136610), (719, 114000), (750, 109288), (760, 107850), (912, 89875), (950, 86280), (1000, 81966), (1140, 71900), (1200, 68305), (1425, 57520), (1438, 57000), (1500, 54644), (1520, 53925), (1900, 43140), (2000, 40983), (2157, 38000), (2280, 35950), (2375, 34512), (2850, 28760), (2876, 28500), (3000, 27322), (3595, 22800), (3800, 21570), (4314, 19000), (4560, 17975), (4750, 17256), (5700, 14380), (5752, 14250), (6000, 13661), (7125, 11504), (7190, 11400), (7600, 10785), (8628, 9500)]