77216800

素因数分解:

$2^5\times 5^2\times {\mathrm{263}}^1\times {\mathrm{367}}^1$

素因数の和:650

約数の個数: 72

約数和(自身を含む): 189737856

約数和(自身を除く): 112521056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 263, 367, 400, 526, 734, 800, 1052, 1315, 1468, 1835, 2104, 2630, 2936, 3670, 4208, 5260, 5872, 6575, 7340, 8416, 9175, 10520, 11744, 13150, 14680, 18350, 21040, 26300, 29360, 36700, 42080, 52600, 58720, 73400, 96521, 105200, 146800, 193042, 210400, 293600, 386084, 482605, 772168, 965210, 1544336, 1930420, 2413025, 3088672, 3860840, 4826050, 7721680, 9652100, 15443360, 19304200, 38608400, 77216800]

約数ペア:

[(1, 77216800), (2, 38608400), (4, 19304200), (5, 15443360), (8, 9652100), (10, 7721680), (16, 4826050), (20, 3860840), (25, 3088672), (32, 2413025), (40, 1930420), (50, 1544336), (80, 965210), (100, 772168), (160, 482605), (200, 386084), (263, 293600), (367, 210400), (400, 193042), (526, 146800), (734, 105200), (800, 96521), (1052, 73400), (1315, 58720), (1468, 52600), (1835, 42080), (2104, 36700), (2630, 29360), (2936, 26300), (3670, 21040), (4208, 18350), (5260, 14680), (5872, 13150), (6575, 11744), (7340, 10520), (8416, 9175)]