1320221375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{293}}^1$

素因数の和:461

約数の個数: 64

約数和(自身を含む): 1882258560

約数和(自身を除く): 562037185

約数列:

[1, 5, 11, 25, 29, 55, 113, 125, 145, 275, 293, 319, 565, 725, 1243, 1375, 1465, 1595, 2825, 3223, 3277, 3625, 6215, 7325, 7975, 8497, 14125, 16115, 16385, 31075, 33109, 36047, 36625, 39875, 42485, 80575, 81925, 93467, 155375, 165545, 180235, 212425, 364199, 402875, 409625, 467335, 827725, 901175, 960161, 1062125, 1820995, 2336675, 4138625, 4505875, 4800805, 9104975, 10561771, 11683375, 24004025, 45524875, 52808855, 120020125, 264044275, 1320221375]

約数ペア:

[(1, 1320221375), (5, 264044275), (11, 120020125), (25, 52808855), (29, 45524875), (55, 24004025), (113, 11683375), (125, 10561771), (145, 9104975), (275, 4800805), (293, 4505875), (319, 4138625), (565, 2336675), (725, 1820995), (1243, 1062125), (1375, 960161), (1465, 901175), (1595, 827725), (2825, 467335), (3223, 409625), (3277, 402875), (3625, 364199), (6215, 212425), (7325, 180235), (7975, 165545), (8497, 155375), (14125, 93467), (16115, 81925), (16385, 80575), (31075, 42485), (33109, 39875), (36047, 36625)]