157047440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{997}}^1$

素因数の和:1200

約数の個数: 80

約数和(自身を含む): 400956480

約数和(自身を除く): 243909040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 179, 220, 358, 440, 716, 880, 895, 997, 1432, 1790, 1969, 1994, 2864, 3580, 3938, 3988, 4985, 7160, 7876, 7976, 9845, 9970, 10967, 14320, 15752, 15952, 19690, 19940, 21934, 31504, 39380, 39880, 43868, 54835, 78760, 79760, 87736, 109670, 157520, 175472, 178463, 219340, 356926, 438680, 713852, 877360, 892315, 1427704, 1784630, 1963093, 2855408, 3569260, 3926186, 7138520, 7852372, 9815465, 14277040, 15704744, 19630930, 31409488, 39261860, 78523720, 157047440]

約数ペア:

[(1, 157047440), (2, 78523720), (4, 39261860), (5, 31409488), (8, 19630930), (10, 15704744), (11, 14277040), (16, 9815465), (20, 7852372), (22, 7138520), (40, 3926186), (44, 3569260), (55, 2855408), (80, 1963093), (88, 1784630), (110, 1427704), (176, 892315), (179, 877360), (220, 713852), (358, 438680), (440, 356926), (716, 219340), (880, 178463), (895, 175472), (997, 157520), (1432, 109670), (1790, 87736), (1969, 79760), (1994, 78760), (2864, 54835), (3580, 43868), (3938, 39880), (3988, 39380), (4985, 31504), (7160, 21934), (7876, 19940), (7976, 19690), (9845, 15952), (9970, 15752), (10967, 14320)]