161696640

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1$

素因数の和:309

約数の個数: 256

約数和(自身を含む): 602795520

約数和(自身を除く): 441098880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 53, 56, 60, 64, 70, 80, 84, 96, 105, 106, 112, 120, 128, 140, 159, 160, 168, 192, 210, 212, 224, 227, 240, 265, 280, 318, 320, 336, 371, 384, 420, 424, 448, 454, 480, 530, 560, 636, 640, 672, 681, 742, 795, 840, 848, 896, 908, 960, 1060, 1113, 1120, 1135, 1272, 1344, 1362, 1484, 1589, 1590, 1680, 1696, 1816, 1855, 1920, 2120, 2226, 2240, 2270, 2544, 2688, 2724, 2968, 3178, 3180, 3360, 3392, 3405, 3632, 3710, 4240, 4452, 4480, 4540, 4767, 5088, 5448, 5565, 5936, 6356, 6360, 6720, 6784, 6810, 7264, 7420, 7945, 8480, 8904, 9080, 9534, 10176, 10896, 11130, 11872, 12031, 12712, 12720, 13440, 13620, 14528, 14840, 15890, 16960, 17808, 18160, 19068, 20352, 21792, 22260, 23744, 23835, 24062, 25424, 25440, 27240, 29056, 29680, 31780, 33920, 35616, 36093, 36320, 38136, 43584, 44520, 47488, 47670, 48124, 50848, 50880, 54480, 59360, 60155, 63560, 71232, 72186, 72640, 76272, 84217, 87168, 89040, 95340, 96248, 101696, 101760, 108960, 118720, 120310, 127120, 142464, 144372, 145280, 152544, 168434, 178080, 180465, 190680, 192496, 203392, 217920, 237440, 240620, 252651, 254240, 288744, 305088, 336868, 356160, 360930, 381360, 384992, 421085, 435840, 481240, 505302, 508480, 577488, 610176, 673736, 712320, 721860, 762720, 769984, 842170, 962480, 1010604, 1016960, 1154976, 1263255, 1347472, 1443720, 1525440, 1539968, 1684340, 1924960, 2021208, 2309952, 2526510, 2694944, 2887440, 3050880, 3368680, 3849920, 4042416, 4619904, 5053020, 5389888, 5774880, 6737360, 7699840, 8084832, 10106040, 10779776, 11549760, 13474720, 16169664, 20212080, 23099520, 26949440, 32339328, 40424160, 53898880, 80848320, 161696640]

約数ペア:

[(1, 161696640), (2, 80848320), (3, 53898880), (4, 40424160), (5, 32339328), (6, 26949440), (7, 23099520), (8, 20212080), (10, 16169664), (12, 13474720), (14, 11549760), (15, 10779776), (16, 10106040), (20, 8084832), (21, 7699840), (24, 6737360), (28, 5774880), (30, 5389888), (32, 5053020), (35, 4619904), (40, 4042416), (42, 3849920), (48, 3368680), (53, 3050880), (56, 2887440), (60, 2694944), (64, 2526510), (70, 2309952), (80, 2021208), (84, 1924960), (96, 1684340), (105, 1539968), (106, 1525440), (112, 1443720), (120, 1347472), (128, 1263255), (140, 1154976), (159, 1016960), (160, 1010604), (168, 962480), (192, 842170), (210, 769984), (212, 762720), (224, 721860), (227, 712320), (240, 673736), (265, 610176), (280, 577488), (318, 508480), (320, 505302), (336, 481240), (371, 435840), (384, 421085), (420, 384992), (424, 381360), (448, 360930), (454, 356160), (480, 336868), (530, 305088), (560, 288744), (636, 254240), (640, 252651), (672, 240620), (681, 237440), (742, 217920), (795, 203392), (840, 192496), (848, 190680), (896, 180465), (908, 178080), (960, 168434), (1060, 152544), (1113, 145280), (1120, 144372), (1135, 142464), (1272, 127120), (1344, 120310), (1362, 118720), (1484, 108960), (1589, 101760), (1590, 101696), (1680, 96248), (1696, 95340), (1816, 89040), (1855, 87168), (1920, 84217), (2120, 76272), (2226, 72640), (2240, 72186), (2270, 71232), (2544, 63560), (2688, 60155), (2724, 59360), (2968, 54480), (3178, 50880), (3180, 50848), (3360, 48124), (3392, 47670), (3405, 47488), (3632, 44520), (3710, 43584), (4240, 38136), (4452, 36320), (4480, 36093), (4540, 35616), (4767, 33920), (5088, 31780), (5448, 29680), (5565, 29056), (5936, 27240), (6356, 25440), (6360, 25424), (6720, 24062), (6784, 23835), (6810, 23744), (7264, 22260), (7420, 21792), (7945, 20352), (8480, 19068), (8904, 18160), (9080, 17808), (9534, 16960), (10176, 15890), (10896, 14840), (11130, 14528), (11872, 13620), (12031, 13440), (12712, 12720)]