31276680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2687}}^1$

素因数の和:2798

約数の個数: 64

約数和(自身を含む): 94832640

約数和(自身を除く): 63555960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 291, 388, 485, 582, 776, 970, 1164, 1455, 1940, 2328, 2687, 2910, 3880, 5374, 5820, 8061, 10748, 11640, 13435, 16122, 21496, 26870, 32244, 40305, 53740, 64488, 80610, 107480, 161220, 260639, 322440, 521278, 781917, 1042556, 1303195, 1563834, 2085112, 2606390, 3127668, 3909585, 5212780, 6255336, 7819170, 10425560, 15638340, 31276680]

約数ペア:

[(1, 31276680), (2, 15638340), (3, 10425560), (4, 7819170), (5, 6255336), (6, 5212780), (8, 3909585), (10, 3127668), (12, 2606390), (15, 2085112), (20, 1563834), (24, 1303195), (30, 1042556), (40, 781917), (60, 521278), (97, 322440), (120, 260639), (194, 161220), (291, 107480), (388, 80610), (485, 64488), (582, 53740), (776, 40305), (970, 32244), (1164, 26870), (1455, 21496), (1940, 16122), (2328, 13435), (2687, 11640), (2910, 10748), (3880, 8061), (5374, 5820)]