258491520

素因数分解:

$2^7\times 3^3\times 5^1\times 7^1\times {\mathrm{2137}}^1$

素因数の和:2172

約数の個数: 256

約数和(自身を含む): 1046764800

約数和(自身を除く): 788273280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 540, 560, 576, 630, 640, 672, 720, 756, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 1920, 2016, 2137, 2160, 2240, 2520, 2688, 2880, 3024, 3360, 3456, 3780, 4032, 4274, 4320, 4480, 5040, 5760, 6048, 6411, 6720, 7560, 8064, 8548, 8640, 10080, 10685, 12096, 12822, 13440, 14959, 15120, 17096, 17280, 19233, 20160, 21370, 24192, 25644, 29918, 30240, 32055, 34192, 38466, 40320, 42740, 44877, 51288, 57699, 59836, 60480, 64110, 68384, 74795, 76932, 85480, 89754, 96165, 102576, 115398, 119672, 120960, 128220, 134631, 136768, 149590, 153864, 170960, 179508, 192330, 205152, 224385, 230796, 239344, 256440, 269262, 273536, 288495, 299180, 307728, 341920, 359016, 384660, 403893, 410304, 448770, 461592, 478688, 512880, 538524, 576990, 598360, 615456, 673155, 683840, 718032, 769320, 807786, 820608, 897540, 923184, 957376, 1025760, 1077048, 1153980, 1196720, 1230912, 1346310, 1367680, 1436064, 1538640, 1615572, 1795080, 1846368, 1914752, 2019465, 2051520, 2154096, 2307960, 2393440, 2461824, 2692620, 2872128, 3077280, 3231144, 3590160, 3692736, 4038930, 4103040, 4308192, 4615920, 4786880, 5385240, 5744256, 6154560, 6462288, 7180320, 7385472, 8077860, 8616384, 9231840, 9573760, 10770480, 12309120, 12924576, 14360640, 16155720, 17232768, 18463680, 21540960, 25849152, 28721280, 32311440, 36927360, 43081920, 51698304, 64622880, 86163840, 129245760, 258491520]

約数ペア:

[(1, 258491520), (2, 129245760), (3, 86163840), (4, 64622880), (5, 51698304), (6, 43081920), (7, 36927360), (8, 32311440), (9, 28721280), (10, 25849152), (12, 21540960), (14, 18463680), (15, 17232768), (16, 16155720), (18, 14360640), (20, 12924576), (21, 12309120), (24, 10770480), (27, 9573760), (28, 9231840), (30, 8616384), (32, 8077860), (35, 7385472), (36, 7180320), (40, 6462288), (42, 6154560), (45, 5744256), (48, 5385240), (54, 4786880), (56, 4615920), (60, 4308192), (63, 4103040), (64, 4038930), (70, 3692736), (72, 3590160), (80, 3231144), (84, 3077280), (90, 2872128), (96, 2692620), (105, 2461824), (108, 2393440), (112, 2307960), (120, 2154096), (126, 2051520), (128, 2019465), (135, 1914752), (140, 1846368), (144, 1795080), (160, 1615572), (168, 1538640), (180, 1436064), (189, 1367680), (192, 1346310), (210, 1230912), (216, 1196720), (224, 1153980), (240, 1077048), (252, 1025760), (270, 957376), (280, 923184), (288, 897540), (315, 820608), (320, 807786), (336, 769320), (360, 718032), (378, 683840), (384, 673155), (420, 615456), (432, 598360), (448, 576990), (480, 538524), (504, 512880), (540, 478688), (560, 461592), (576, 448770), (630, 410304), (640, 403893), (672, 384660), (720, 359016), (756, 341920), (840, 307728), (864, 299180), (896, 288495), (945, 273536), (960, 269262), (1008, 256440), (1080, 239344), (1120, 230796), (1152, 224385), (1260, 205152), (1344, 192330), (1440, 179508), (1512, 170960), (1680, 153864), (1728, 149590), (1890, 136768), (1920, 134631), (2016, 128220), (2137, 120960), (2160, 119672), (2240, 115398), (2520, 102576), (2688, 96165), (2880, 89754), (3024, 85480), (3360, 76932), (3456, 74795), (3780, 68384), (4032, 64110), (4274, 60480), (4320, 59836), (4480, 57699), (5040, 51288), (5760, 44877), (6048, 42740), (6411, 40320), (6720, 38466), (7560, 34192), (8064, 32055), (8548, 30240), (8640, 29918), (10080, 25644), (10685, 24192), (12096, 21370), (12822, 20160), (13440, 19233), (14959, 17280), (15120, 17096)]