65689680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{641}}^1$

素因数の和:725

約数の個数: 160

約数和(自身を含む): 236913408

約数和(自身を除く): 171223728

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 61, 70, 80, 84, 105, 112, 120, 122, 140, 168, 183, 210, 240, 244, 280, 305, 336, 366, 420, 427, 488, 560, 610, 641, 732, 840, 854, 915, 976, 1220, 1281, 1282, 1464, 1680, 1708, 1830, 1923, 2135, 2440, 2562, 2564, 2928, 3205, 3416, 3660, 3846, 4270, 4487, 4880, 5124, 5128, 6405, 6410, 6832, 7320, 7692, 8540, 8974, 9615, 10248, 10256, 12810, 12820, 13461, 14640, 15384, 17080, 17948, 19230, 20496, 22435, 25620, 25640, 26922, 30768, 34160, 35896, 38460, 39101, 44870, 51240, 51280, 53844, 67305, 71792, 76920, 78202, 89740, 102480, 107688, 117303, 134610, 153840, 156404, 179480, 195505, 215376, 234606, 269220, 273707, 312808, 358960, 391010, 469212, 538440, 547414, 586515, 625616, 782020, 821121, 938424, 1076880, 1094828, 1173030, 1368535, 1564040, 1642242, 1876848, 2189656, 2346060, 2737070, 3128080, 3284484, 4105605, 4379312, 4692120, 5474140, 6568968, 8211210, 9384240, 10948280, 13137936, 16422420, 21896560, 32844840, 65689680]

約数ペア:

[(1, 65689680), (2, 32844840), (3, 21896560), (4, 16422420), (5, 13137936), (6, 10948280), (7, 9384240), (8, 8211210), (10, 6568968), (12, 5474140), (14, 4692120), (15, 4379312), (16, 4105605), (20, 3284484), (21, 3128080), (24, 2737070), (28, 2346060), (30, 2189656), (35, 1876848), (40, 1642242), (42, 1564040), (48, 1368535), (56, 1173030), (60, 1094828), (61, 1076880), (70, 938424), (80, 821121), (84, 782020), (105, 625616), (112, 586515), (120, 547414), (122, 538440), (140, 469212), (168, 391010), (183, 358960), (210, 312808), (240, 273707), (244, 269220), (280, 234606), (305, 215376), (336, 195505), (366, 179480), (420, 156404), (427, 153840), (488, 134610), (560, 117303), (610, 107688), (641, 102480), (732, 89740), (840, 78202), (854, 76920), (915, 71792), (976, 67305), (1220, 53844), (1281, 51280), (1282, 51240), (1464, 44870), (1680, 39101), (1708, 38460), (1830, 35896), (1923, 34160), (2135, 30768), (2440, 26922), (2562, 25640), (2564, 25620), (2928, 22435), (3205, 20496), (3416, 19230), (3660, 17948), (3846, 17080), (4270, 15384), (4487, 14640), (4880, 13461), (5124, 12820), (5128, 12810), (6405, 10256), (6410, 10248), (6832, 9615), (7320, 8974), (7692, 8540)]