1564826680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{5659}}^1$

素因数の和:5924

約数の個数: 64

約数和(自身を含む): 3651379200

約数和(自身を除く): 2086552520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 223, 248, 310, 446, 620, 892, 1115, 1240, 1784, 2230, 4460, 5659, 6913, 8920, 11318, 13826, 22636, 27652, 28295, 34565, 45272, 55304, 56590, 69130, 113180, 138260, 175429, 226360, 276520, 350858, 701716, 877145, 1261957, 1403432, 1754290, 2523914, 3508580, 5047828, 6309785, 7017160, 10095656, 12619570, 25239140, 39120667, 50478280, 78241334, 156482668, 195603335, 312965336, 391206670, 782413340, 1564826680]

約数ペア:

[(1, 1564826680), (2, 782413340), (4, 391206670), (5, 312965336), (8, 195603335), (10, 156482668), (20, 78241334), (31, 50478280), (40, 39120667), (62, 25239140), (124, 12619570), (155, 10095656), (223, 7017160), (248, 6309785), (310, 5047828), (446, 3508580), (620, 2523914), (892, 1754290), (1115, 1403432), (1240, 1261957), (1784, 877145), (2230, 701716), (4460, 350858), (5659, 276520), (6913, 226360), (8920, 175429), (11318, 138260), (13826, 113180), (22636, 69130), (27652, 56590), (28295, 55304), (34565, 45272)]