257237760

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5153}}^1$

素因数の和:5190

約数の個数: 144

約数和(自身を含む): 884921184

約数和(自身を除く): 627683424

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, 256, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 768, 780, 832, 960, 1040, 1248, 1280, 1560, 1664, 1920, 2080, 2496, 3120, 3328, 3840, 4160, 4992, 5153, 6240, 8320, 9984, 10306, 12480, 15459, 16640, 20612, 24960, 25765, 30918, 41224, 49920, 51530, 61836, 66989, 77295, 82448, 103060, 123672, 133978, 154590, 164896, 200967, 206120, 247344, 267956, 309180, 329792, 334945, 401934, 412240, 494688, 535912, 618360, 659584, 669890, 803868, 824480, 989376, 1004835, 1071824, 1236720, 1319168, 1339780, 1607736, 1648960, 1978752, 2009670, 2143648, 2473440, 2679560, 3215472, 3297920, 3957504, 4019340, 4287296, 4946880, 5359120, 6430944, 6595840, 8038680, 8574592, 9893760, 10718240, 12861888, 16077360, 17149184, 19787520, 21436480, 25723776, 32154720, 42872960, 51447552, 64309440, 85745920, 128618880, 257237760]

約数ペア:

[(1, 257237760), (2, 128618880), (3, 85745920), (4, 64309440), (5, 51447552), (6, 42872960), (8, 32154720), (10, 25723776), (12, 21436480), (13, 19787520), (15, 17149184), (16, 16077360), (20, 12861888), (24, 10718240), (26, 9893760), (30, 8574592), (32, 8038680), (39, 6595840), (40, 6430944), (48, 5359120), (52, 4946880), (60, 4287296), (64, 4019340), (65, 3957504), (78, 3297920), (80, 3215472), (96, 2679560), (104, 2473440), (120, 2143648), (128, 2009670), (130, 1978752), (156, 1648960), (160, 1607736), (192, 1339780), (195, 1319168), (208, 1236720), (240, 1071824), (256, 1004835), (260, 989376), (312, 824480), (320, 803868), (384, 669890), (390, 659584), (416, 618360), (480, 535912), (520, 494688), (624, 412240), (640, 401934), (768, 334945), (780, 329792), (832, 309180), (960, 267956), (1040, 247344), (1248, 206120), (1280, 200967), (1560, 164896), (1664, 154590), (1920, 133978), (2080, 123672), (2496, 103060), (3120, 82448), (3328, 77295), (3840, 66989), (4160, 61836), (4992, 51530), (5153, 49920), (6240, 41224), (8320, 30918), (9984, 25765), (10306, 24960), (12480, 20612), (15459, 16640)]