87208520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{1063}}^1$

素因数の和:1374

約数の個数: 64

約数和(自身を含む): 225227520

約数和(自身を除く): 138019000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 293, 586, 1063, 1172, 1465, 2051, 2126, 2344, 2930, 4102, 4252, 5315, 5860, 7441, 8204, 8504, 10255, 10630, 11720, 14882, 16408, 20510, 21260, 29764, 37205, 41020, 42520, 59528, 74410, 82040, 148820, 297640, 311459, 622918, 1245836, 1557295, 2180213, 2491672, 3114590, 4360426, 6229180, 8720852, 10901065, 12458360, 17441704, 21802130, 43604260, 87208520]

約数ペア:

[(1, 87208520), (2, 43604260), (4, 21802130), (5, 17441704), (7, 12458360), (8, 10901065), (10, 8720852), (14, 6229180), (20, 4360426), (28, 3114590), (35, 2491672), (40, 2180213), (56, 1557295), (70, 1245836), (140, 622918), (280, 311459), (293, 297640), (586, 148820), (1063, 82040), (1172, 74410), (1465, 59528), (2051, 42520), (2126, 41020), (2344, 37205), (2930, 29764), (4102, 21260), (4252, 20510), (5315, 16408), (5860, 14882), (7441, 11720), (8204, 10630), (8504, 10255)]