64394800

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1$

素因数の和:303

約数の個数: 120

約数和(自身を含む): 167982800

約数和(自身を除く): 103588000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 37, 38, 40, 50, 74, 76, 80, 95, 100, 148, 152, 185, 190, 200, 229, 296, 304, 370, 380, 400, 458, 475, 592, 703, 740, 760, 916, 925, 950, 1145, 1406, 1480, 1520, 1832, 1850, 1900, 2290, 2812, 2960, 3515, 3664, 3700, 3800, 4351, 4580, 5624, 5725, 7030, 7400, 7600, 8473, 8702, 9160, 11248, 11450, 14060, 14800, 16946, 17404, 17575, 18320, 21755, 22900, 28120, 33892, 34808, 35150, 42365, 43510, 45800, 56240, 67784, 69616, 70300, 84730, 87020, 91600, 108775, 135568, 140600, 160987, 169460, 174040, 211825, 217550, 281200, 321974, 338920, 348080, 423650, 435100, 643948, 677840, 804935, 847300, 870200, 1287896, 1609870, 1694600, 1740400, 2575792, 3219740, 3389200, 4024675, 6439480, 8049350, 12878960, 16098700, 32197400, 64394800]

約数ペア:

[(1, 64394800), (2, 32197400), (4, 16098700), (5, 12878960), (8, 8049350), (10, 6439480), (16, 4024675), (19, 3389200), (20, 3219740), (25, 2575792), (37, 1740400), (38, 1694600), (40, 1609870), (50, 1287896), (74, 870200), (76, 847300), (80, 804935), (95, 677840), (100, 643948), (148, 435100), (152, 423650), (185, 348080), (190, 338920), (200, 321974), (229, 281200), (296, 217550), (304, 211825), (370, 174040), (380, 169460), (400, 160987), (458, 140600), (475, 135568), (592, 108775), (703, 91600), (740, 87020), (760, 84730), (916, 70300), (925, 69616), (950, 67784), (1145, 56240), (1406, 45800), (1480, 43510), (1520, 42365), (1832, 35150), (1850, 34808), (1900, 33892), (2290, 28120), (2812, 22900), (2960, 21755), (3515, 18320), (3664, 17575), (3700, 17404), (3800, 16946), (4351, 14800), (4580, 14060), (5624, 11450), (5725, 11248), (7030, 9160), (7400, 8702), (7600, 8473)]