257112960

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10301}}^1$

素因数の和:10336

約数の個数: 128

約数和(自身を含む): 882675360

約数和(自身を除く): 625562400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8320, 10301, 12480, 20602, 24960, 30903, 41204, 51505, 61806, 82408, 103010, 123612, 133913, 154515, 164816, 206020, 247224, 267826, 309030, 329632, 401739, 412040, 494448, 535652, 618060, 659264, 669565, 803478, 824080, 988896, 1071304, 1236120, 1318528, 1339130, 1606956, 1648160, 1977792, 2008695, 2142608, 2472240, 2678260, 3213912, 3296320, 3955584, 4017390, 4285216, 4944480, 5356520, 6427824, 6592640, 8034780, 8570432, 9888960, 10713040, 12855648, 16069560, 17140864, 19777920, 21426080, 25711296, 32139120, 42852160, 51422592, 64278240, 85704320, 128556480, 257112960]

約数ペア:

[(1, 257112960), (2, 128556480), (3, 85704320), (4, 64278240), (5, 51422592), (6, 42852160), (8, 32139120), (10, 25711296), (12, 21426080), (13, 19777920), (15, 17140864), (16, 16069560), (20, 12855648), (24, 10713040), (26, 9888960), (30, 8570432), (32, 8034780), (39, 6592640), (40, 6427824), (48, 5356520), (52, 4944480), (60, 4285216), (64, 4017390), (65, 3955584), (78, 3296320), (80, 3213912), (96, 2678260), (104, 2472240), (120, 2142608), (128, 2008695), (130, 1977792), (156, 1648160), (160, 1606956), (192, 1339130), (195, 1318528), (208, 1236120), (240, 1071304), (260, 988896), (312, 824080), (320, 803478), (384, 669565), (390, 659264), (416, 618060), (480, 535652), (520, 494448), (624, 412040), (640, 401739), (780, 329632), (832, 309030), (960, 267826), (1040, 247224), (1248, 206020), (1560, 164816), (1664, 154515), (1920, 133913), (2080, 123612), (2496, 103010), (3120, 82408), (4160, 61806), (4992, 51505), (6240, 41204), (8320, 30903), (10301, 24960), (12480, 20602)]