66000880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{419}}^1$

素因数の和:622

約数の個数: 80

約数和(自身を含む): 168739200

約数和(自身を除く): 102738320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 179, 220, 358, 419, 440, 716, 838, 880, 895, 1432, 1676, 1790, 1969, 2095, 2864, 3352, 3580, 3938, 4190, 4609, 6704, 7160, 7876, 8380, 9218, 9845, 14320, 15752, 16760, 18436, 19690, 23045, 31504, 33520, 36872, 39380, 46090, 73744, 75001, 78760, 92180, 150002, 157520, 184360, 300004, 368720, 375005, 600008, 750010, 825011, 1200016, 1500020, 1650022, 3000040, 3300044, 4125055, 6000080, 6600088, 8250110, 13200176, 16500220, 33000440, 66000880]

約数ペア:

[(1, 66000880), (2, 33000440), (4, 16500220), (5, 13200176), (8, 8250110), (10, 6600088), (11, 6000080), (16, 4125055), (20, 3300044), (22, 3000040), (40, 1650022), (44, 1500020), (55, 1200016), (80, 825011), (88, 750010), (110, 600008), (176, 375005), (179, 368720), (220, 300004), (358, 184360), (419, 157520), (440, 150002), (716, 92180), (838, 78760), (880, 75001), (895, 73744), (1432, 46090), (1676, 39380), (1790, 36872), (1969, 33520), (2095, 31504), (2864, 23045), (3352, 19690), (3580, 18436), (3938, 16760), (4190, 15752), (4609, 14320), (6704, 9845), (7160, 9218), (7876, 8380)]