1621067880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{139267}}^1$

素因数の和:139378

約数の個数: 64

約数和(自身を含む): 4913375040

約数和(自身を除く): 3292307160

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, 2910, 3880, 5820, 11640, 139267, 278534, 417801, 557068, 696335, 835602, 1114136, 1392670, 1671204, 2089005, 2785340, 3342408, 4178010, 5570680, 8356020, 13508899, 16712040, 27017798, 40526697, 54035596, 67544495, 81053394, 108071192, 135088990, 162106788, 202633485, 270177980, 324213576, 405266970, 540355960, 810533940, 1621067880]

約数ペア:

[(1, 1621067880), (2, 810533940), (3, 540355960), (4, 405266970), (5, 324213576), (6, 270177980), (8, 202633485), (10, 162106788), (12, 135088990), (15, 108071192), (20, 81053394), (24, 67544495), (30, 54035596), (40, 40526697), (60, 27017798), (97, 16712040), (120, 13508899), (194, 8356020), (291, 5570680), (388, 4178010), (485, 3342408), (582, 2785340), (776, 2089005), (970, 1671204), (1164, 1392670), (1455, 1114136), (1940, 835602), (2328, 696335), (2910, 557068), (3880, 417801), (5820, 278534), (11640, 139267)]