2490960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:220

約数の個数: 80

約数和(自身を含む): 7874496

約数和(自身を除く): 5383536

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 97, 107, 120, 194, 214, 240, 291, 321, 388, 428, 485, 535, 582, 642, 776, 856, 970, 1070, 1164, 1284, 1455, 1552, 1605, 1712, 1940, 2140, 2328, 2568, 2910, 3210, 3880, 4280, 4656, 5136, 5820, 6420, 7760, 8560, 10379, 11640, 12840, 20758, 23280, 25680, 31137, 41516, 51895, 62274, 83032, 103790, 124548, 155685, 166064, 207580, 249096, 311370, 415160, 498192, 622740, 830320, 1245480, 2490960]

約数ペア:

[(1, 2490960), (2, 1245480), (3, 830320), (4, 622740), (5, 498192), (6, 415160), (8, 311370), (10, 249096), (12, 207580), (15, 166064), (16, 155685), (20, 124548), (24, 103790), (30, 83032), (40, 62274), (48, 51895), (60, 41516), (80, 31137), (97, 25680), (107, 23280), (120, 20758), (194, 12840), (214, 11640), (240, 10379), (291, 8560), (321, 7760), (388, 6420), (428, 5820), (485, 5136), (535, 4656), (582, 4280), (642, 3880), (776, 3210), (856, 2910), (970, 2568), (1070, 2328), (1164, 2140), (1284, 1940), (1455, 1712), (1552, 1605)]