256555260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109639}}^1$

素因数の和:109667

約数の個数: 72

約数和(自身を含む): 838088160

約数和(自身を除く): 581532900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 109639, 219278, 328917, 438556, 548195, 657834, 986751, 1096390, 1315668, 1425307, 1644585, 1973502, 2192780, 2850614, 3289170, 3947004, 4275921, 4933755, 5701228, 6578340, 7126535, 8551842, 9867510, 12827763, 14253070, 17103684, 19735020, 21379605, 25655526, 28506140, 42759210, 51311052, 64138815, 85518420, 128277630, 256555260]

約数ペア:

[(1, 256555260), (2, 128277630), (3, 85518420), (4, 64138815), (5, 51311052), (6, 42759210), (9, 28506140), (10, 25655526), (12, 21379605), (13, 19735020), (15, 17103684), (18, 14253070), (20, 12827763), (26, 9867510), (30, 8551842), (36, 7126535), (39, 6578340), (45, 5701228), (52, 4933755), (60, 4275921), (65, 3947004), (78, 3289170), (90, 2850614), (117, 2192780), (130, 1973502), (156, 1644585), (180, 1425307), (195, 1315668), (234, 1096390), (260, 986751), (390, 657834), (468, 548195), (585, 438556), (780, 328917), (1170, 219278), (2340, 109639)]