178979280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{745747}}^1$

素因数の和:745763

約数の個数: 40

約数和(自身を含む): 554836512

約数和(自身を除く): 375857232

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 745747, 1491494, 2237241, 2982988, 3728735, 4474482, 5965976, 7457470, 8948964, 11186205, 11931952, 14914940, 17897928, 22372410, 29829880, 35795856, 44744820, 59659760, 89489640, 178979280]

約数ペア:

[(1, 178979280), (2, 89489640), (3, 59659760), (4, 44744820), (5, 35795856), (6, 29829880), (8, 22372410), (10, 17897928), (12, 14914940), (15, 11931952), (16, 11186205), (20, 8948964), (24, 7457470), (30, 5965976), (40, 4474482), (48, 3728735), (60, 2982988), (80, 2237241), (120, 1491494), (240, 745747)]