419921280

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1279}}^1$

素因数の和:1326

約数の個数: 256

約数和(自身を含む): 1566720000

約数和(自身を除く): 1146798720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 90, 95, 96, 108, 114, 120, 128, 135, 144, 152, 160, 171, 180, 190, 192, 216, 228, 240, 270, 285, 288, 304, 320, 342, 360, 380, 384, 432, 456, 480, 513, 540, 570, 576, 608, 640, 684, 720, 760, 855, 864, 912, 960, 1026, 1080, 1140, 1152, 1216, 1279, 1368, 1440, 1520, 1710, 1728, 1824, 1920, 2052, 2160, 2280, 2432, 2558, 2565, 2736, 2880, 3040, 3420, 3456, 3648, 3837, 4104, 4320, 4560, 5116, 5130, 5472, 5760, 6080, 6395, 6840, 7296, 7674, 8208, 8640, 9120, 10232, 10260, 10944, 11511, 12160, 12790, 13680, 15348, 16416, 17280, 18240, 19185, 20464, 20520, 21888, 23022, 24301, 25580, 27360, 30696, 32832, 34533, 36480, 38370, 40928, 41040, 46044, 48602, 51160, 54720, 57555, 61392, 65664, 69066, 72903, 76740, 81856, 82080, 92088, 97204, 102320, 109440, 115110, 121505, 122784, 138132, 145806, 153480, 163712, 164160, 172665, 184176, 194408, 204640, 218709, 230220, 243010, 245568, 276264, 291612, 306960, 328320, 345330, 364515, 368352, 388816, 409280, 437418, 460440, 486020, 491136, 552528, 583224, 613920, 656127, 690660, 729030, 736704, 777632, 818560, 874836, 920880, 972040, 1093545, 1105056, 1166448, 1227840, 1312254, 1381320, 1458060, 1473408, 1555264, 1749672, 1841760, 1944080, 2187090, 2210112, 2332896, 2455680, 2624508, 2762640, 2916120, 3110528, 3280635, 3499344, 3683520, 3888160, 4374180, 4420224, 4665792, 5249016, 5525280, 5832240, 6561270, 6998688, 7367040, 7776320, 8748360, 9331584, 10498032, 11050560, 11664480, 13122540, 13997376, 15552640, 17496720, 20996064, 22101120, 23328960, 26245080, 27994752, 34993440, 41992128, 46657920, 52490160, 69986880, 83984256, 104980320, 139973760, 209960640, 419921280]

約数ペア:

[(1, 419921280), (2, 209960640), (3, 139973760), (4, 104980320), (5, 83984256), (6, 69986880), (8, 52490160), (9, 46657920), (10, 41992128), (12, 34993440), (15, 27994752), (16, 26245080), (18, 23328960), (19, 22101120), (20, 20996064), (24, 17496720), (27, 15552640), (30, 13997376), (32, 13122540), (36, 11664480), (38, 11050560), (40, 10498032), (45, 9331584), (48, 8748360), (54, 7776320), (57, 7367040), (60, 6998688), (64, 6561270), (72, 5832240), (76, 5525280), (80, 5249016), (90, 4665792), (95, 4420224), (96, 4374180), (108, 3888160), (114, 3683520), (120, 3499344), (128, 3280635), (135, 3110528), (144, 2916120), (152, 2762640), (160, 2624508), (171, 2455680), (180, 2332896), (190, 2210112), (192, 2187090), (216, 1944080), (228, 1841760), (240, 1749672), (270, 1555264), (285, 1473408), (288, 1458060), (304, 1381320), (320, 1312254), (342, 1227840), (360, 1166448), (380, 1105056), (384, 1093545), (432, 972040), (456, 920880), (480, 874836), (513, 818560), (540, 777632), (570, 736704), (576, 729030), (608, 690660), (640, 656127), (684, 613920), (720, 583224), (760, 552528), (855, 491136), (864, 486020), (912, 460440), (960, 437418), (1026, 409280), (1080, 388816), (1140, 368352), (1152, 364515), (1216, 345330), (1279, 328320), (1368, 306960), (1440, 291612), (1520, 276264), (1710, 245568), (1728, 243010), (1824, 230220), (1920, 218709), (2052, 204640), (2160, 194408), (2280, 184176), (2432, 172665), (2558, 164160), (2565, 163712), (2736, 153480), (2880, 145806), (3040, 138132), (3420, 122784), (3456, 121505), (3648, 115110), (3837, 109440), (4104, 102320), (4320, 97204), (4560, 92088), (5116, 82080), (5130, 81856), (5472, 76740), (5760, 72903), (6080, 69066), (6395, 65664), (6840, 61392), (7296, 57555), (7674, 54720), (8208, 51160), (8640, 48602), (9120, 46044), (10232, 41040), (10260, 40928), (10944, 38370), (11511, 36480), (12160, 34533), (12790, 32832), (13680, 30696), (15348, 27360), (16416, 25580), (17280, 24301), (18240, 23022), (19185, 21888), (20464, 20520)]