25721280

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1$

素因数の和:268

約数の個数: 224

約数和(自身を含む): 98145600

約数和(自身を除く): 72424320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 180, 192, 195, 208, 216, 229, 234, 240, 260, 270, 288, 312, 320, 351, 360, 390, 416, 432, 458, 468, 480, 520, 540, 576, 585, 624, 687, 702, 720, 780, 832, 864, 916, 936, 960, 1040, 1080, 1145, 1170, 1248, 1374, 1404, 1440, 1560, 1728, 1755, 1832, 1872, 2061, 2080, 2160, 2290, 2340, 2496, 2748, 2808, 2880, 2977, 3120, 3435, 3510, 3664, 3744, 4122, 4160, 4320, 4580, 4680, 5496, 5616, 5954, 6183, 6240, 6870, 7020, 7328, 7488, 8244, 8640, 8931, 9160, 9360, 10305, 10992, 11232, 11908, 12366, 12480, 13740, 14040, 14656, 14885, 16488, 17862, 18320, 18720, 20610, 21984, 22464, 23816, 24732, 26793, 27480, 28080, 29770, 30915, 32976, 35724, 36640, 37440, 41220, 43968, 44655, 47632, 49464, 53586, 54960, 56160, 59540, 61830, 65952, 71448, 73280, 80379, 82440, 89310, 95264, 98928, 107172, 109920, 112320, 119080, 123660, 131904, 133965, 142896, 160758, 164880, 178620, 190528, 197856, 214344, 219840, 238160, 247320, 267930, 285792, 321516, 329760, 357240, 395712, 401895, 428688, 476320, 494640, 535860, 571584, 643032, 659520, 714480, 803790, 857376, 952640, 989280, 1071720, 1286064, 1428960, 1607580, 1714752, 1978560, 2143440, 2572128, 2857920, 3215160, 4286880, 5144256, 6430320, 8573760, 12860640, 25721280]

約数ペア:

[(1, 25721280), (2, 12860640), (3, 8573760), (4, 6430320), (5, 5144256), (6, 4286880), (8, 3215160), (9, 2857920), (10, 2572128), (12, 2143440), (13, 1978560), (15, 1714752), (16, 1607580), (18, 1428960), (20, 1286064), (24, 1071720), (26, 989280), (27, 952640), (30, 857376), (32, 803790), (36, 714480), (39, 659520), (40, 643032), (45, 571584), (48, 535860), (52, 494640), (54, 476320), (60, 428688), (64, 401895), (65, 395712), (72, 357240), (78, 329760), (80, 321516), (90, 285792), (96, 267930), (104, 247320), (108, 238160), (117, 219840), (120, 214344), (130, 197856), (135, 190528), (144, 178620), (156, 164880), (160, 160758), (180, 142896), (192, 133965), (195, 131904), (208, 123660), (216, 119080), (229, 112320), (234, 109920), (240, 107172), (260, 98928), (270, 95264), (288, 89310), (312, 82440), (320, 80379), (351, 73280), (360, 71448), (390, 65952), (416, 61830), (432, 59540), (458, 56160), (468, 54960), (480, 53586), (520, 49464), (540, 47632), (576, 44655), (585, 43968), (624, 41220), (687, 37440), (702, 36640), (720, 35724), (780, 32976), (832, 30915), (864, 29770), (916, 28080), (936, 27480), (960, 26793), (1040, 24732), (1080, 23816), (1145, 22464), (1170, 21984), (1248, 20610), (1374, 18720), (1404, 18320), (1440, 17862), (1560, 16488), (1728, 14885), (1755, 14656), (1832, 14040), (1872, 13740), (2061, 12480), (2080, 12366), (2160, 11908), (2290, 11232), (2340, 10992), (2496, 10305), (2748, 9360), (2808, 9160), (2880, 8931), (2977, 8640), (3120, 8244), (3435, 7488), (3510, 7328), (3664, 7020), (3744, 6870), (4122, 6240), (4160, 6183), (4320, 5954), (4580, 5616), (4680, 5496)]