668966480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2137}}^1$

素因数の和:2213

約数の個数: 160

約数和(自身を含む): 1959707904

約数和(自身を除く): 1290741424

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 43, 52, 56, 65, 70, 80, 86, 91, 104, 112, 130, 140, 172, 182, 208, 215, 260, 280, 301, 344, 364, 430, 455, 520, 559, 560, 602, 688, 728, 860, 910, 1040, 1118, 1204, 1456, 1505, 1720, 1820, 2137, 2236, 2408, 2795, 3010, 3440, 3640, 3913, 4274, 4472, 4816, 5590, 6020, 7280, 7826, 8548, 8944, 10685, 11180, 12040, 14959, 15652, 17096, 19565, 21370, 22360, 24080, 27781, 29918, 31304, 34192, 39130, 42740, 44720, 55562, 59836, 62608, 74795, 78260, 85480, 91891, 111124, 119672, 138905, 149590, 156520, 170960, 183782, 194467, 222248, 239344, 277810, 299180, 313040, 367564, 388934, 444496, 459455, 555620, 598360, 643237, 735128, 777868, 918910, 972335, 1111240, 1194583, 1196720, 1286474, 1470256, 1555736, 1837820, 1944670, 2222480, 2389166, 2572948, 3111472, 3216185, 3675640, 3889340, 4778332, 5145896, 5972915, 6432370, 7351280, 7778680, 8362081, 9556664, 10291792, 11945830, 12864740, 15557360, 16724162, 19113328, 23891660, 25729480, 33448324, 41810405, 47783320, 51458960, 66896648, 83620810, 95566640, 133793296, 167241620, 334483240, 668966480]

約数ペア:

[(1, 668966480), (2, 334483240), (4, 167241620), (5, 133793296), (7, 95566640), (8, 83620810), (10, 66896648), (13, 51458960), (14, 47783320), (16, 41810405), (20, 33448324), (26, 25729480), (28, 23891660), (35, 19113328), (40, 16724162), (43, 15557360), (52, 12864740), (56, 11945830), (65, 10291792), (70, 9556664), (80, 8362081), (86, 7778680), (91, 7351280), (104, 6432370), (112, 5972915), (130, 5145896), (140, 4778332), (172, 3889340), (182, 3675640), (208, 3216185), (215, 3111472), (260, 2572948), (280, 2389166), (301, 2222480), (344, 1944670), (364, 1837820), (430, 1555736), (455, 1470256), (520, 1286474), (559, 1196720), (560, 1194583), (602, 1111240), (688, 972335), (728, 918910), (860, 777868), (910, 735128), (1040, 643237), (1118, 598360), (1204, 555620), (1456, 459455), (1505, 444496), (1720, 388934), (1820, 367564), (2137, 313040), (2236, 299180), (2408, 277810), (2795, 239344), (3010, 222248), (3440, 194467), (3640, 183782), (3913, 170960), (4274, 156520), (4472, 149590), (4816, 138905), (5590, 119672), (6020, 111124), (7280, 91891), (7826, 85480), (8548, 78260), (8944, 74795), (10685, 62608), (11180, 59836), (12040, 55562), (14959, 44720), (15652, 42740), (17096, 39130), (19565, 34192), (21370, 31304), (22360, 29918), (24080, 27781)]