256180320

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{599}}^1$

素因数の和:640

約数の個数: 288

約数和(自身を含む): 990662400

約数和(自身を除く): 734482080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 81, 88, 90, 96, 99, 108, 110, 120, 132, 135, 144, 160, 162, 165, 176, 180, 198, 216, 220, 240, 243, 264, 270, 288, 297, 324, 330, 352, 360, 396, 405, 432, 440, 480, 486, 495, 528, 540, 594, 599, 648, 660, 720, 792, 810, 864, 880, 891, 972, 990, 1056, 1080, 1188, 1198, 1215, 1296, 1320, 1440, 1485, 1584, 1620, 1760, 1782, 1797, 1944, 1980, 2160, 2376, 2396, 2430, 2592, 2640, 2673, 2970, 2995, 3168, 3240, 3564, 3594, 3888, 3960, 4320, 4455, 4752, 4792, 4860, 5280, 5346, 5391, 5940, 5990, 6480, 6589, 7128, 7188, 7776, 7920, 8910, 8985, 9504, 9584, 9720, 10692, 10782, 11880, 11980, 12960, 13178, 13365, 14256, 14376, 15840, 16173, 17820, 17970, 19168, 19440, 19767, 21384, 21564, 23760, 23960, 26356, 26730, 26955, 28512, 28752, 32346, 32945, 35640, 35940, 38880, 39534, 42768, 43128, 47520, 47920, 48519, 52712, 53460, 53910, 57504, 59301, 64692, 65890, 71280, 71880, 79068, 80865, 85536, 86256, 95840, 97038, 98835, 105424, 106920, 107820, 118602, 129384, 131780, 142560, 143760, 145557, 158136, 161730, 172512, 177903, 194076, 197670, 210848, 213840, 215640, 237204, 242595, 258768, 263560, 287520, 291114, 296505, 316272, 323460, 355806, 388152, 395340, 427680, 431280, 474408, 485190, 517536, 527120, 533709, 582228, 593010, 632544, 646920, 711612, 727785, 776304, 790680, 862560, 889515, 948816, 970380, 1054240, 1067418, 1164456, 1186020, 1293840, 1423224, 1455570, 1552608, 1581360, 1601127, 1779030, 1897632, 1940760, 2134836, 2328912, 2372040, 2587680, 2668545, 2846448, 2911140, 3162720, 3202254, 3558060, 3881520, 4269672, 4657824, 4744080, 5337090, 5692896, 5822280, 6404508, 7116120, 7763040, 8005635, 8539344, 9488160, 10674180, 11644560, 12809016, 14232240, 16011270, 17078688, 21348360, 23289120, 25618032, 28464480, 32022540, 42696720, 51236064, 64045080, 85393440, 128090160, 256180320]

約数ペア:

[(1, 256180320), (2, 128090160), (3, 85393440), (4, 64045080), (5, 51236064), (6, 42696720), (8, 32022540), (9, 28464480), (10, 25618032), (11, 23289120), (12, 21348360), (15, 17078688), (16, 16011270), (18, 14232240), (20, 12809016), (22, 11644560), (24, 10674180), (27, 9488160), (30, 8539344), (32, 8005635), (33, 7763040), (36, 7116120), (40, 6404508), (44, 5822280), (45, 5692896), (48, 5337090), (54, 4744080), (55, 4657824), (60, 4269672), (66, 3881520), (72, 3558060), (80, 3202254), (81, 3162720), (88, 2911140), (90, 2846448), (96, 2668545), (99, 2587680), (108, 2372040), (110, 2328912), (120, 2134836), (132, 1940760), (135, 1897632), (144, 1779030), (160, 1601127), (162, 1581360), (165, 1552608), (176, 1455570), (180, 1423224), (198, 1293840), (216, 1186020), (220, 1164456), (240, 1067418), (243, 1054240), (264, 970380), (270, 948816), (288, 889515), (297, 862560), (324, 790680), (330, 776304), (352, 727785), (360, 711612), (396, 646920), (405, 632544), (432, 593010), (440, 582228), (480, 533709), (486, 527120), (495, 517536), (528, 485190), (540, 474408), (594, 431280), (599, 427680), (648, 395340), (660, 388152), (720, 355806), (792, 323460), (810, 316272), (864, 296505), (880, 291114), (891, 287520), (972, 263560), (990, 258768), (1056, 242595), (1080, 237204), (1188, 215640), (1198, 213840), (1215, 210848), (1296, 197670), (1320, 194076), (1440, 177903), (1485, 172512), (1584, 161730), (1620, 158136), (1760, 145557), (1782, 143760), (1797, 142560), (1944, 131780), (1980, 129384), (2160, 118602), (2376, 107820), (2396, 106920), (2430, 105424), (2592, 98835), (2640, 97038), (2673, 95840), (2970, 86256), (2995, 85536), (3168, 80865), (3240, 79068), (3564, 71880), (3594, 71280), (3888, 65890), (3960, 64692), (4320, 59301), (4455, 57504), (4752, 53910), (4792, 53460), (4860, 52712), (5280, 48519), (5346, 47920), (5391, 47520), (5940, 43128), (5990, 42768), (6480, 39534), (6589, 38880), (7128, 35940), (7188, 35640), (7776, 32945), (7920, 32346), (8910, 28752), (8985, 28512), (9504, 26955), (9584, 26730), (9720, 26356), (10692, 23960), (10782, 23760), (11880, 21564), (11980, 21384), (12960, 19767), (13178, 19440), (13365, 19168), (14256, 17970), (14376, 17820), (15840, 16173)]