1871703680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2055

約数の個数: 256

約数和(自身を含む): 5875200000

約数和(自身を除く): 4003496320

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 32, 35, 38, 40, 44, 55, 56, 64, 70, 76, 77, 80, 88, 95, 110, 112, 128, 133, 140, 152, 154, 160, 176, 190, 209, 220, 224, 266, 280, 304, 308, 320, 352, 380, 385, 418, 440, 448, 532, 560, 608, 616, 640, 665, 704, 760, 770, 836, 880, 896, 1045, 1064, 1120, 1216, 1232, 1330, 1408, 1463, 1520, 1540, 1672, 1760, 1999, 2090, 2128, 2240, 2432, 2464, 2660, 2926, 3040, 3080, 3344, 3520, 3998, 4180, 4256, 4480, 4928, 5320, 5852, 6080, 6160, 6688, 7040, 7315, 7996, 8360, 8512, 9856, 9995, 10640, 11704, 12160, 12320, 13376, 13993, 14630, 15992, 16720, 17024, 19990, 21280, 21989, 23408, 24640, 26752, 27986, 29260, 31984, 33440, 37981, 39980, 42560, 43978, 46816, 49280, 55972, 58520, 63968, 66880, 69965, 75962, 79960, 85120, 87956, 93632, 109945, 111944, 117040, 127936, 133760, 139930, 151924, 153923, 159920, 175912, 187264, 189905, 219890, 223888, 234080, 255872, 265867, 279860, 303848, 307846, 319840, 351824, 379810, 417791, 439780, 447776, 468160, 531734, 559720, 607696, 615692, 639680, 703648, 759620, 769615, 835582, 879560, 895552, 936320, 1063468, 1119440, 1215392, 1231384, 1279360, 1329335, 1407296, 1519240, 1539230, 1671164, 1759120, 1791104, 2088955, 2126936, 2238880, 2430784, 2462768, 2658670, 2814592, 2924537, 3038480, 3078460, 3342328, 3518240, 4177910, 4253872, 4477760, 4861568, 4925536, 5317340, 5849074, 6076960, 6156920, 6684656, 7036480, 8355820, 8507744, 8955520, 9851072, 10634680, 11698148, 12153920, 12313840, 13369312, 14072960, 14622685, 16711640, 17015488, 19702144, 21269360, 23396296, 24307840, 24627680, 26738624, 29245370, 33423280, 34030976, 42538720, 46792592, 49255360, 53477248, 58490740, 66846560, 85077440, 93585184, 98510720, 116981480, 133693120, 170154880, 187170368, 233962960, 267386240, 374340736, 467925920, 935851840, 1871703680]

約数ペア:

[(1, 1871703680), (2, 935851840), (4, 467925920), (5, 374340736), (7, 267386240), (8, 233962960), (10, 187170368), (11, 170154880), (14, 133693120), (16, 116981480), (19, 98510720), (20, 93585184), (22, 85077440), (28, 66846560), (32, 58490740), (35, 53477248), (38, 49255360), (40, 46792592), (44, 42538720), (55, 34030976), (56, 33423280), (64, 29245370), (70, 26738624), (76, 24627680), (77, 24307840), (80, 23396296), (88, 21269360), (95, 19702144), (110, 17015488), (112, 16711640), (128, 14622685), (133, 14072960), (140, 13369312), (152, 12313840), (154, 12153920), (160, 11698148), (176, 10634680), (190, 9851072), (209, 8955520), (220, 8507744), (224, 8355820), (266, 7036480), (280, 6684656), (304, 6156920), (308, 6076960), (320, 5849074), (352, 5317340), (380, 4925536), (385, 4861568), (418, 4477760), (440, 4253872), (448, 4177910), (532, 3518240), (560, 3342328), (608, 3078460), (616, 3038480), (640, 2924537), (665, 2814592), (704, 2658670), (760, 2462768), (770, 2430784), (836, 2238880), (880, 2126936), (896, 2088955), (1045, 1791104), (1064, 1759120), (1120, 1671164), (1216, 1539230), (1232, 1519240), (1330, 1407296), (1408, 1329335), (1463, 1279360), (1520, 1231384), (1540, 1215392), (1672, 1119440), (1760, 1063468), (1999, 936320), (2090, 895552), (2128, 879560), (2240, 835582), (2432, 769615), (2464, 759620), (2660, 703648), (2926, 639680), (3040, 615692), (3080, 607696), (3344, 559720), (3520, 531734), (3998, 468160), (4180, 447776), (4256, 439780), (4480, 417791), (4928, 379810), (5320, 351824), (5852, 319840), (6080, 307846), (6160, 303848), (6688, 279860), (7040, 265867), (7315, 255872), (7996, 234080), (8360, 223888), (8512, 219890), (9856, 189905), (9995, 187264), (10640, 175912), (11704, 159920), (12160, 153923), (12320, 151924), (13376, 139930), (13993, 133760), (14630, 127936), (15992, 117040), (16720, 111944), (17024, 109945), (19990, 93632), (21280, 87956), (21989, 85120), (23408, 79960), (24640, 75962), (26752, 69965), (27986, 66880), (29260, 63968), (31984, 58520), (33440, 55972), (37981, 49280), (39980, 46816), (42560, 43978)]