68557440

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{5101}}^1$

素因数の和:5130

約数の個数: 128

約数和(自身を含む): 249793920

約数和(自身を除く): 181236480

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, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 5101, 6720, 10202, 13440, 15303, 20404, 25505, 30606, 35707, 40808, 51010, 61212, 71414, 76515, 81616, 102020, 107121, 122424, 142828, 153030, 163232, 178535, 204040, 214242, 244848, 285656, 306060, 326464, 357070, 408080, 428484, 489696, 535605, 571312, 612120, 652928, 714140, 816160, 856968, 979392, 1071210, 1142624, 1224240, 1428280, 1632320, 1713936, 1958784, 2142420, 2285248, 2448480, 2856560, 3264640, 3427872, 4284840, 4570496, 4896960, 5713120, 6855744, 8569680, 9793920, 11426240, 13711488, 17139360, 22852480, 34278720, 68557440]

約数ペア:

[(1, 68557440), (2, 34278720), (3, 22852480), (4, 17139360), (5, 13711488), (6, 11426240), (7, 9793920), (8, 8569680), (10, 6855744), (12, 5713120), (14, 4896960), (15, 4570496), (16, 4284840), (20, 3427872), (21, 3264640), (24, 2856560), (28, 2448480), (30, 2285248), (32, 2142420), (35, 1958784), (40, 1713936), (42, 1632320), (48, 1428280), (56, 1224240), (60, 1142624), (64, 1071210), (70, 979392), (80, 856968), (84, 816160), (96, 714140), (105, 652928), (112, 612120), (120, 571312), (128, 535605), (140, 489696), (160, 428484), (168, 408080), (192, 357070), (210, 326464), (224, 306060), (240, 285656), (280, 244848), (320, 214242), (336, 204040), (384, 178535), (420, 163232), (448, 153030), (480, 142828), (560, 122424), (640, 107121), (672, 102020), (840, 81616), (896, 76515), (960, 71414), (1120, 61212), (1344, 51010), (1680, 40808), (1920, 35707), (2240, 30606), (2688, 25505), (3360, 20404), (4480, 15303), (5101, 13440), (6720, 10202)]