180277880

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{577}}^1$

素因数の和:768

約数の個数: 64

約数和(自身を含む): 415743840

約数和(自身を除く): 235465960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 107, 146, 214, 292, 365, 428, 535, 577, 584, 730, 856, 1070, 1154, 1460, 2140, 2308, 2885, 2920, 4280, 4616, 5770, 7811, 11540, 15622, 23080, 31244, 39055, 42121, 61739, 62488, 78110, 84242, 123478, 156220, 168484, 210605, 246956, 308695, 312440, 336968, 421210, 493912, 617390, 842420, 1234780, 1684840, 2469560, 4506947, 9013894, 18027788, 22534735, 36055576, 45069470, 90138940, 180277880]

約数ペア:

[(1, 180277880), (2, 90138940), (4, 45069470), (5, 36055576), (8, 22534735), (10, 18027788), (20, 9013894), (40, 4506947), (73, 2469560), (107, 1684840), (146, 1234780), (214, 842420), (292, 617390), (365, 493912), (428, 421210), (535, 336968), (577, 312440), (584, 308695), (730, 246956), (856, 210605), (1070, 168484), (1154, 156220), (1460, 123478), (2140, 84242), (2308, 78110), (2885, 62488), (2920, 61739), (4280, 42121), (4616, 39055), (5770, 31244), (7811, 23080), (11540, 15622)]