207911680

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:226

約数の個数: 144

約数和(自身を含む): 535691520

約数和(自身を除く): 327779840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 83, 95, 103, 128, 152, 160, 166, 190, 206, 256, 304, 320, 332, 380, 412, 415, 515, 608, 640, 664, 760, 824, 830, 1030, 1216, 1280, 1328, 1520, 1577, 1648, 1660, 1957, 2060, 2432, 2656, 3040, 3154, 3296, 3320, 3914, 4120, 4864, 5312, 6080, 6308, 6592, 6640, 7828, 7885, 8240, 8549, 9785, 10624, 12160, 12616, 13184, 13280, 15656, 15770, 16480, 17098, 19570, 21248, 24320, 25232, 26368, 26560, 31312, 31540, 32960, 34196, 39140, 42745, 50464, 53120, 62624, 63080, 65920, 68392, 78280, 85490, 100928, 106240, 125248, 126160, 131840, 136784, 156560, 162431, 170980, 201856, 250496, 252320, 273568, 313120, 324862, 341960, 403712, 500992, 504640, 547136, 626240, 649724, 683920, 812155, 1009280, 1094272, 1252480, 1299448, 1367840, 1624310, 2018560, 2188544, 2504960, 2598896, 2735680, 3248620, 5197792, 5471360, 6497240, 10395584, 10942720, 12994480, 20791168, 25988960, 41582336, 51977920, 103955840, 207911680]

約数ペア:

[(1, 207911680), (2, 103955840), (4, 51977920), (5, 41582336), (8, 25988960), (10, 20791168), (16, 12994480), (19, 10942720), (20, 10395584), (32, 6497240), (38, 5471360), (40, 5197792), (64, 3248620), (76, 2735680), (80, 2598896), (83, 2504960), (95, 2188544), (103, 2018560), (128, 1624310), (152, 1367840), (160, 1299448), (166, 1252480), (190, 1094272), (206, 1009280), (256, 812155), (304, 683920), (320, 649724), (332, 626240), (380, 547136), (412, 504640), (415, 500992), (515, 403712), (608, 341960), (640, 324862), (664, 313120), (760, 273568), (824, 252320), (830, 250496), (1030, 201856), (1216, 170980), (1280, 162431), (1328, 156560), (1520, 136784), (1577, 131840), (1648, 126160), (1660, 125248), (1957, 106240), (2060, 100928), (2432, 85490), (2656, 78280), (3040, 68392), (3154, 65920), (3296, 63080), (3320, 62624), (3914, 53120), (4120, 50464), (4864, 42745), (5312, 39140), (6080, 34196), (6308, 32960), (6592, 31540), (6640, 31312), (7828, 26560), (7885, 26368), (8240, 25232), (8549, 24320), (9785, 21248), (10624, 19570), (12160, 17098), (12616, 16480), (13184, 15770), (13280, 15656)]