131187840

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:299

約数の個数: 256

約数和(自身を含む): 491166720

約数和(自身を除く): 359978880

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, 43, 48, 56, 60, 64, 70, 80, 84, 86, 96, 105, 112, 120, 128, 129, 140, 160, 168, 172, 192, 210, 215, 224, 227, 240, 258, 280, 301, 320, 336, 344, 384, 420, 430, 448, 454, 480, 516, 560, 602, 640, 645, 672, 681, 688, 840, 860, 896, 903, 908, 960, 1032, 1120, 1135, 1204, 1290, 1344, 1362, 1376, 1505, 1589, 1680, 1720, 1806, 1816, 1920, 2064, 2240, 2270, 2408, 2580, 2688, 2724, 2752, 3010, 3178, 3360, 3405, 3440, 3612, 3632, 4128, 4480, 4515, 4540, 4767, 4816, 5160, 5448, 5504, 6020, 6356, 6720, 6810, 6880, 7224, 7264, 7945, 8256, 9030, 9080, 9534, 9632, 9761, 10320, 10896, 12040, 12712, 13440, 13620, 13760, 14448, 14528, 15890, 16512, 18060, 18160, 19068, 19264, 19522, 20640, 21792, 23835, 24080, 25424, 27240, 27520, 28896, 29056, 29283, 31780, 36120, 36320, 38136, 38528, 39044, 41280, 43584, 47670, 48160, 48805, 50848, 54480, 57792, 58566, 63560, 68327, 72240, 72640, 76272, 78088, 82560, 87168, 95340, 96320, 97610, 101696, 108960, 115584, 117132, 127120, 136654, 144480, 145280, 146415, 152544, 156176, 190680, 192640, 195220, 203392, 204981, 217920, 234264, 254240, 273308, 288960, 292830, 305088, 312352, 341635, 381360, 390440, 409962, 435840, 468528, 508480, 546616, 577920, 585660, 610176, 624704, 683270, 762720, 780880, 819924, 937056, 1016960, 1024905, 1093232, 1171320, 1249408, 1366540, 1525440, 1561760, 1639848, 1874112, 2049810, 2186464, 2342640, 2733080, 3050880, 3123520, 3279696, 3748224, 4099620, 4372928, 4685280, 5466160, 6247040, 6559392, 8199240, 8745856, 9370560, 10932320, 13118784, 16398480, 18741120, 21864640, 26237568, 32796960, 43729280, 65593920, 131187840]

約数ペア:

[(1, 131187840), (2, 65593920), (3, 43729280), (4, 32796960), (5, 26237568), (6, 21864640), (7, 18741120), (8, 16398480), (10, 13118784), (12, 10932320), (14, 9370560), (15, 8745856), (16, 8199240), (20, 6559392), (21, 6247040), (24, 5466160), (28, 4685280), (30, 4372928), (32, 4099620), (35, 3748224), (40, 3279696), (42, 3123520), (43, 3050880), (48, 2733080), (56, 2342640), (60, 2186464), (64, 2049810), (70, 1874112), (80, 1639848), (84, 1561760), (86, 1525440), (96, 1366540), (105, 1249408), (112, 1171320), (120, 1093232), (128, 1024905), (129, 1016960), (140, 937056), (160, 819924), (168, 780880), (172, 762720), (192, 683270), (210, 624704), (215, 610176), (224, 585660), (227, 577920), (240, 546616), (258, 508480), (280, 468528), (301, 435840), (320, 409962), (336, 390440), (344, 381360), (384, 341635), (420, 312352), (430, 305088), (448, 292830), (454, 288960), (480, 273308), (516, 254240), (560, 234264), (602, 217920), (640, 204981), (645, 203392), (672, 195220), (681, 192640), (688, 190680), (840, 156176), (860, 152544), (896, 146415), (903, 145280), (908, 144480), (960, 136654), (1032, 127120), (1120, 117132), (1135, 115584), (1204, 108960), (1290, 101696), (1344, 97610), (1362, 96320), (1376, 95340), (1505, 87168), (1589, 82560), (1680, 78088), (1720, 76272), (1806, 72640), (1816, 72240), (1920, 68327), (2064, 63560), (2240, 58566), (2270, 57792), (2408, 54480), (2580, 50848), (2688, 48805), (2724, 48160), (2752, 47670), (3010, 43584), (3178, 41280), (3360, 39044), (3405, 38528), (3440, 38136), (3612, 36320), (3632, 36120), (4128, 31780), (4480, 29283), (4515, 29056), (4540, 28896), (4767, 27520), (4816, 27240), (5160, 25424), (5448, 24080), (5504, 23835), (6020, 21792), (6356, 20640), (6720, 19522), (6810, 19264), (6880, 19068), (7224, 18160), (7264, 18060), (7945, 16512), (8256, 15890), (9030, 14528), (9080, 14448), (9534, 13760), (9632, 13620), (9761, 13440), (10320, 12712), (10896, 12040)]