155293040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{277309}}^1$

素因数の和:277329

約数の個数: 40

約数和(自身を含む): 412637280

約数和(自身を除く): 257344240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 277309, 554618, 1109236, 1386545, 1941163, 2218472, 2773090, 3882326, 4436944, 5546180, 7764652, 9705815, 11092360, 15529304, 19411630, 22184720, 31058608, 38823260, 77646520, 155293040]

約数ペア:

[(1, 155293040), (2, 77646520), (4, 38823260), (5, 31058608), (7, 22184720), (8, 19411630), (10, 15529304), (14, 11092360), (16, 9705815), (20, 7764652), (28, 5546180), (35, 4436944), (40, 3882326), (56, 2773090), (70, 2218472), (80, 1941163), (112, 1386545), (140, 1109236), (280, 554618), (560, 277309)]