257165760

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{613}}^1$

素因数の和:675

約数の個数: 224

約数和(自身を含む): 898306560

約数和(自身を除く): 641140800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 23, 24, 30, 32, 38, 40, 46, 48, 57, 60, 64, 69, 76, 80, 92, 95, 96, 114, 115, 120, 138, 152, 160, 184, 190, 192, 228, 230, 240, 276, 285, 304, 320, 345, 368, 380, 437, 456, 460, 480, 552, 570, 608, 613, 690, 736, 760, 874, 912, 920, 960, 1104, 1140, 1216, 1226, 1311, 1380, 1472, 1520, 1748, 1824, 1839, 1840, 2185, 2208, 2280, 2452, 2622, 2760, 3040, 3065, 3496, 3648, 3678, 3680, 4370, 4416, 4560, 4904, 5244, 5520, 6080, 6130, 6555, 6992, 7356, 7360, 8740, 9120, 9195, 9808, 10488, 11040, 11647, 12260, 13110, 13984, 14099, 14712, 17480, 18240, 18390, 19616, 20976, 22080, 23294, 24520, 26220, 27968, 28198, 29424, 34941, 34960, 36780, 39232, 41952, 42297, 46588, 49040, 52440, 56396, 58235, 58848, 69882, 69920, 70495, 73560, 83904, 84594, 93176, 98080, 104880, 112792, 116470, 117696, 139764, 139840, 140990, 147120, 169188, 174705, 186352, 196160, 209760, 211485, 225584, 232940, 267881, 279528, 281980, 294240, 338376, 349410, 372704, 419520, 422970, 451168, 465880, 535762, 559056, 563960, 588480, 676752, 698820, 745408, 803643, 845940, 902336, 931760, 1071524, 1118112, 1127920, 1339405, 1353504, 1397640, 1607286, 1691880, 1863520, 2143048, 2236224, 2255840, 2678810, 2707008, 2795280, 3214572, 3383760, 3727040, 4018215, 4286096, 4511680, 5357620, 5590560, 6429144, 6767520, 8036430, 8572192, 10715240, 11181120, 12858288, 13535040, 16072860, 17144384, 21430480, 25716576, 32145720, 42860960, 51433152, 64291440, 85721920, 128582880, 257165760]

約数ペア:

[(1, 257165760), (2, 128582880), (3, 85721920), (4, 64291440), (5, 51433152), (6, 42860960), (8, 32145720), (10, 25716576), (12, 21430480), (15, 17144384), (16, 16072860), (19, 13535040), (20, 12858288), (23, 11181120), (24, 10715240), (30, 8572192), (32, 8036430), (38, 6767520), (40, 6429144), (46, 5590560), (48, 5357620), (57, 4511680), (60, 4286096), (64, 4018215), (69, 3727040), (76, 3383760), (80, 3214572), (92, 2795280), (95, 2707008), (96, 2678810), (114, 2255840), (115, 2236224), (120, 2143048), (138, 1863520), (152, 1691880), (160, 1607286), (184, 1397640), (190, 1353504), (192, 1339405), (228, 1127920), (230, 1118112), (240, 1071524), (276, 931760), (285, 902336), (304, 845940), (320, 803643), (345, 745408), (368, 698820), (380, 676752), (437, 588480), (456, 563960), (460, 559056), (480, 535762), (552, 465880), (570, 451168), (608, 422970), (613, 419520), (690, 372704), (736, 349410), (760, 338376), (874, 294240), (912, 281980), (920, 279528), (960, 267881), (1104, 232940), (1140, 225584), (1216, 211485), (1226, 209760), (1311, 196160), (1380, 186352), (1472, 174705), (1520, 169188), (1748, 147120), (1824, 140990), (1839, 139840), (1840, 139764), (2185, 117696), (2208, 116470), (2280, 112792), (2452, 104880), (2622, 98080), (2760, 93176), (3040, 84594), (3065, 83904), (3496, 73560), (3648, 70495), (3678, 69920), (3680, 69882), (4370, 58848), (4416, 58235), (4560, 56396), (4904, 52440), (5244, 49040), (5520, 46588), (6080, 42297), (6130, 41952), (6555, 39232), (6992, 36780), (7356, 34960), (7360, 34941), (8740, 29424), (9120, 28198), (9195, 27968), (9808, 26220), (10488, 24520), (11040, 23294), (11647, 22080), (12260, 20976), (13110, 19616), (13984, 18390), (14099, 18240), (14712, 17480)]