257250240

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6871}}^1$

素因数の和:6907

約数の個数: 168

約数和(自身を含む): 953036448

約数和(自身を除く): 695786208

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 260, 288, 312, 320, 360, 390, 416, 468, 480, 520, 576, 585, 624, 720, 780, 832, 936, 960, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 2496, 2880, 3120, 3744, 4160, 4680, 6240, 6871, 7488, 9360, 12480, 13742, 18720, 20613, 27484, 34355, 37440, 41226, 54968, 61839, 68710, 82452, 89323, 103065, 109936, 123678, 137420, 164904, 178646, 206130, 219872, 247356, 267969, 274840, 309195, 329808, 357292, 412260, 439744, 446615, 494712, 535938, 549680, 618390, 659616, 714584, 803907, 824520, 893230, 989424, 1071876, 1099360, 1236780, 1319232, 1339845, 1429168, 1607814, 1649040, 1786460, 1978848, 2143752, 2198720, 2473560, 2679690, 2858336, 3215628, 3298080, 3572920, 3957696, 4019535, 4287504, 4947120, 5359380, 5716672, 6431256, 6596160, 7145840, 8039070, 8575008, 9894240, 10718760, 12862512, 14291680, 16078140, 17150016, 19788480, 21437520, 25725024, 28583360, 32156280, 42875040, 51450048, 64312560, 85750080, 128625120, 257250240]

約数ペア:

[(1, 257250240), (2, 128625120), (3, 85750080), (4, 64312560), (5, 51450048), (6, 42875040), (8, 32156280), (9, 28583360), (10, 25725024), (12, 21437520), (13, 19788480), (15, 17150016), (16, 16078140), (18, 14291680), (20, 12862512), (24, 10718760), (26, 9894240), (30, 8575008), (32, 8039070), (36, 7145840), (39, 6596160), (40, 6431256), (45, 5716672), (48, 5359380), (52, 4947120), (60, 4287504), (64, 4019535), (65, 3957696), (72, 3572920), (78, 3298080), (80, 3215628), (90, 2858336), (96, 2679690), (104, 2473560), (117, 2198720), (120, 2143752), (130, 1978848), (144, 1786460), (156, 1649040), (160, 1607814), (180, 1429168), (192, 1339845), (195, 1319232), (208, 1236780), (234, 1099360), (240, 1071876), (260, 989424), (288, 893230), (312, 824520), (320, 803907), (360, 714584), (390, 659616), (416, 618390), (468, 549680), (480, 535938), (520, 494712), (576, 446615), (585, 439744), (624, 412260), (720, 357292), (780, 329808), (832, 309195), (936, 274840), (960, 267969), (1040, 247356), (1170, 219872), (1248, 206130), (1440, 178646), (1560, 164904), (1872, 137420), (2080, 123678), (2340, 109936), (2496, 103065), (2880, 89323), (3120, 82452), (3744, 68710), (4160, 61839), (4680, 54968), (6240, 41226), (6871, 37440), (7488, 34355), (9360, 27484), (12480, 20613), (13742, 18720)]