187601680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{643}}^1$

素因数の和:1184

約数の個数: 80

約数和(自身を含む): 500217984

約数和(自身を除く): 312616304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 521, 560, 643, 1042, 1286, 2084, 2572, 2605, 3215, 3647, 4168, 4501, 5144, 5210, 6430, 7294, 8336, 9002, 10288, 10420, 12860, 14588, 18004, 18235, 20840, 22505, 25720, 29176, 36008, 36470, 41680, 45010, 51440, 58352, 72016, 72940, 90020, 145880, 180040, 291760, 335003, 360080, 670006, 1340012, 1675015, 2345021, 2680024, 3350030, 4690042, 5360048, 6700060, 9380084, 11725105, 13400120, 18760168, 23450210, 26800240, 37520336, 46900420, 93800840, 187601680]

約数ペア:

[(1, 187601680), (2, 93800840), (4, 46900420), (5, 37520336), (7, 26800240), (8, 23450210), (10, 18760168), (14, 13400120), (16, 11725105), (20, 9380084), (28, 6700060), (35, 5360048), (40, 4690042), (56, 3350030), (70, 2680024), (80, 2345021), (112, 1675015), (140, 1340012), (280, 670006), (521, 360080), (560, 335003), (643, 291760), (1042, 180040), (1286, 145880), (2084, 90020), (2572, 72940), (2605, 72016), (3215, 58352), (3647, 51440), (4168, 45010), (4501, 41680), (5144, 36470), (5210, 36008), (6430, 29176), (7294, 25720), (8336, 22505), (9002, 20840), (10288, 18235), (10420, 18004), (12860, 14588)]