1998328320

素因数分解:

$2^9\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:477

約数の個数: 400

約数和(自身を含む): 7486395840

約数和(自身を除く): 5488067520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 64, 69, 72, 80, 81, 90, 92, 96, 108, 115, 120, 128, 135, 138, 144, 160, 162, 180, 184, 192, 207, 216, 230, 240, 256, 270, 276, 288, 320, 324, 345, 360, 368, 384, 405, 414, 419, 432, 460, 480, 512, 540, 552, 576, 621, 640, 648, 690, 720, 736, 768, 810, 828, 838, 864, 920, 960, 1035, 1080, 1104, 1152, 1242, 1257, 1280, 1296, 1380, 1440, 1472, 1536, 1620, 1656, 1676, 1728, 1840, 1863, 1920, 2070, 2095, 2160, 2208, 2304, 2484, 2514, 2560, 2592, 2760, 2880, 2944, 3105, 3240, 3312, 3352, 3456, 3680, 3726, 3771, 3840, 4140, 4190, 4320, 4416, 4608, 4968, 5028, 5184, 5520, 5760, 5888, 6210, 6285, 6480, 6624, 6704, 6912, 7360, 7452, 7542, 7680, 8280, 8380, 8640, 8832, 9315, 9637, 9936, 10056, 10368, 11040, 11313, 11520, 11776, 12420, 12570, 12960, 13248, 13408, 13824, 14720, 14904, 15084, 16560, 16760, 17280, 17664, 18630, 18855, 19274, 19872, 20112, 20736, 22080, 22626, 23040, 24840, 25140, 25920, 26496, 26816, 28911, 29440, 29808, 30168, 33120, 33520, 33939, 34560, 35328, 37260, 37710, 38548, 39744, 40224, 41472, 44160, 45252, 48185, 49680, 50280, 51840, 52992, 53632, 56565, 57822, 58880, 59616, 60336, 66240, 67040, 67878, 69120, 74520, 75420, 77096, 79488, 80448, 86733, 88320, 90504, 96370, 99360, 100560, 103680, 105984, 107264, 113130, 115644, 119232, 120672, 132480, 134080, 135756, 144555, 149040, 150840, 154192, 158976, 160896, 169695, 173466, 176640, 181008, 192740, 198720, 201120, 207360, 214528, 226260, 231288, 238464, 241344, 260199, 264960, 268160, 271512, 289110, 298080, 301680, 308384, 317952, 321792, 339390, 346932, 362016, 385480, 397440, 402240, 433665, 452520, 462576, 476928, 482688, 520398, 529920, 536320, 543024, 578220, 596160, 603360, 616768, 643584, 678780, 693864, 724032, 770960, 780597, 794880, 804480, 867330, 905040, 925152, 953856, 965376, 1040796, 1072640, 1086048, 1156440, 1192320, 1206720, 1233536, 1300995, 1357560, 1387728, 1448064, 1541920, 1561194, 1589760, 1608960, 1734660, 1810080, 1850304, 1930752, 2081592, 2172096, 2312880, 2384640, 2413440, 2467072, 2601990, 2715120, 2775456, 2896128, 3083840, 3122388, 3217920, 3469320, 3620160, 3700608, 3902985, 4163184, 4344192, 4625760, 4769280, 4826880, 4934144, 5203980, 5430240, 5550912, 5792256, 6167680, 6244776, 6938640, 7240320, 7401216, 7805970, 8326368, 8688384, 9251520, 9653760, 10407960, 10860480, 11101824, 12335360, 12489552, 13877280, 14480640, 14802432, 15611940, 16652736, 17376768, 18503040, 20815920, 21720960, 22203648, 24670720, 24979104, 27754560, 28961280, 31223880, 33305472, 37006080, 41631840, 43441920, 44407296, 49958208, 55509120, 62447760, 66610944, 74012160, 83263680, 86883840, 99916416, 111018240, 124895520, 133221888, 166527360, 199832832, 222036480, 249791040, 333054720, 399665664, 499582080, 666109440, 999164160, 1998328320]

約数ペア:

[(1, 1998328320), (2, 999164160), (3, 666109440), (4, 499582080), (5, 399665664), (6, 333054720), (8, 249791040), (9, 222036480), (10, 199832832), (12, 166527360), (15, 133221888), (16, 124895520), (18, 111018240), (20, 99916416), (23, 86883840), (24, 83263680), (27, 74012160), (30, 66610944), (32, 62447760), (36, 55509120), (40, 49958208), (45, 44407296), (46, 43441920), (48, 41631840), (54, 37006080), (60, 33305472), (64, 31223880), (69, 28961280), (72, 27754560), (80, 24979104), (81, 24670720), (90, 22203648), (92, 21720960), (96, 20815920), (108, 18503040), (115, 17376768), (120, 16652736), (128, 15611940), (135, 14802432), (138, 14480640), (144, 13877280), (160, 12489552), (162, 12335360), (180, 11101824), (184, 10860480), (192, 10407960), (207, 9653760), (216, 9251520), (230, 8688384), (240, 8326368), (256, 7805970), (270, 7401216), (276, 7240320), (288, 6938640), (320, 6244776), (324, 6167680), (345, 5792256), (360, 5550912), (368, 5430240), (384, 5203980), (405, 4934144), (414, 4826880), (419, 4769280), (432, 4625760), (460, 4344192), (480, 4163184), (512, 3902985), (540, 3700608), (552, 3620160), (576, 3469320), (621, 3217920), (640, 3122388), (648, 3083840), (690, 2896128), (720, 2775456), (736, 2715120), (768, 2601990), (810, 2467072), (828, 2413440), (838, 2384640), (864, 2312880), (920, 2172096), (960, 2081592), (1035, 1930752), (1080, 1850304), (1104, 1810080), (1152, 1734660), (1242, 1608960), (1257, 1589760), (1280, 1561194), (1296, 1541920), (1380, 1448064), (1440, 1387728), (1472, 1357560), (1536, 1300995), (1620, 1233536), (1656, 1206720), (1676, 1192320), (1728, 1156440), (1840, 1086048), (1863, 1072640), (1920, 1040796), (2070, 965376), (2095, 953856), (2160, 925152), (2208, 905040), (2304, 867330), (2484, 804480), (2514, 794880), (2560, 780597), (2592, 770960), (2760, 724032), (2880, 693864), (2944, 678780), (3105, 643584), (3240, 616768), (3312, 603360), (3352, 596160), (3456, 578220), (3680, 543024), (3726, 536320), (3771, 529920), (3840, 520398), (4140, 482688), (4190, 476928), (4320, 462576), (4416, 452520), (4608, 433665), (4968, 402240), (5028, 397440), (5184, 385480), (5520, 362016), (5760, 346932), (5888, 339390), (6210, 321792), (6285, 317952), (6480, 308384), (6624, 301680), (6704, 298080), (6912, 289110), (7360, 271512), (7452, 268160), (7542, 264960), (7680, 260199), (8280, 241344), (8380, 238464), (8640, 231288), (8832, 226260), (9315, 214528), (9637, 207360), (9936, 201120), (10056, 198720), (10368, 192740), (11040, 181008), (11313, 176640), (11520, 173466), (11776, 169695), (12420, 160896), (12570, 158976), (12960, 154192), (13248, 150840), (13408, 149040), (13824, 144555), (14720, 135756), (14904, 134080), (15084, 132480), (16560, 120672), (16760, 119232), (17280, 115644), (17664, 113130), (18630, 107264), (18855, 105984), (19274, 103680), (19872, 100560), (20112, 99360), (20736, 96370), (22080, 90504), (22626, 88320), (23040, 86733), (24840, 80448), (25140, 79488), (25920, 77096), (26496, 75420), (26816, 74520), (28911, 69120), (29440, 67878), (29808, 67040), (30168, 66240), (33120, 60336), (33520, 59616), (33939, 58880), (34560, 57822), (35328, 56565), (37260, 53632), (37710, 52992), (38548, 51840), (39744, 50280), (40224, 49680), (41472, 48185), (44160, 45252)]