120992000

素因数分解:

$2^8\times 5^3\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:249

約数の個数: 144

約数和(自身を含む): 318864000

約数和(自身を除く): 197872000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 125, 128, 152, 160, 190, 199, 200, 250, 256, 304, 320, 380, 398, 400, 475, 500, 608, 640, 760, 796, 800, 950, 995, 1000, 1216, 1280, 1520, 1592, 1600, 1900, 1990, 2000, 2375, 2432, 3040, 3184, 3200, 3781, 3800, 3980, 4000, 4750, 4864, 4975, 6080, 6368, 6400, 7562, 7600, 7960, 8000, 9500, 9950, 12160, 12736, 15124, 15200, 15920, 16000, 18905, 19000, 19900, 24320, 24875, 25472, 30248, 30400, 31840, 32000, 37810, 38000, 39800, 49750, 50944, 60496, 60800, 63680, 75620, 76000, 79600, 94525, 99500, 120992, 121600, 127360, 151240, 152000, 159200, 189050, 199000, 241984, 254720, 302480, 304000, 318400, 378100, 398000, 472625, 483968, 604960, 608000, 636800, 756200, 796000, 945250, 967936, 1209920, 1273600, 1512400, 1592000, 1890500, 2419840, 3024800, 3184000, 3781000, 4839680, 6049600, 6368000, 7562000, 12099200, 15124000, 24198400, 30248000, 60496000, 120992000]

約数ペア:

[(1, 120992000), (2, 60496000), (4, 30248000), (5, 24198400), (8, 15124000), (10, 12099200), (16, 7562000), (19, 6368000), (20, 6049600), (25, 4839680), (32, 3781000), (38, 3184000), (40, 3024800), (50, 2419840), (64, 1890500), (76, 1592000), (80, 1512400), (95, 1273600), (100, 1209920), (125, 967936), (128, 945250), (152, 796000), (160, 756200), (190, 636800), (199, 608000), (200, 604960), (250, 483968), (256, 472625), (304, 398000), (320, 378100), (380, 318400), (398, 304000), (400, 302480), (475, 254720), (500, 241984), (608, 199000), (640, 189050), (760, 159200), (796, 152000), (800, 151240), (950, 127360), (995, 121600), (1000, 120992), (1216, 99500), (1280, 94525), (1520, 79600), (1592, 76000), (1600, 75620), (1900, 63680), (1990, 60800), (2000, 60496), (2375, 50944), (2432, 49750), (3040, 39800), (3184, 38000), (3200, 37810), (3781, 32000), (3800, 31840), (3980, 30400), (4000, 30248), (4750, 25472), (4864, 24875), (4975, 24320), (6080, 19900), (6368, 19000), (6400, 18905), (7562, 16000), (7600, 15920), (7960, 15200), (8000, 15124), (9500, 12736), (9950, 12160)]