257408640

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:144

約数の個数: 384

約数和(自身を含む): 973814400

約数和(自身を除く): 716405760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 29, 30, 32, 36, 40, 45, 46, 48, 58, 60, 64, 67, 69, 72, 80, 87, 90, 92, 96, 115, 116, 120, 128, 134, 138, 144, 145, 160, 174, 180, 184, 192, 201, 207, 230, 232, 240, 261, 268, 276, 288, 290, 320, 335, 345, 348, 360, 368, 384, 402, 414, 435, 460, 464, 480, 522, 536, 552, 576, 580, 603, 640, 667, 670, 690, 696, 720, 736, 804, 828, 870, 920, 928, 960, 1005, 1035, 1044, 1072, 1104, 1152, 1160, 1206, 1305, 1334, 1340, 1380, 1392, 1440, 1472, 1541, 1608, 1656, 1740, 1840, 1856, 1920, 1943, 2001, 2010, 2070, 2088, 2144, 2208, 2320, 2412, 2610, 2668, 2680, 2760, 2784, 2880, 2944, 3015, 3082, 3216, 3312, 3335, 3480, 3680, 3712, 3886, 4002, 4020, 4140, 4176, 4288, 4416, 4623, 4640, 4824, 5220, 5336, 5360, 5520, 5568, 5760, 5829, 6003, 6030, 6164, 6432, 6624, 6670, 6960, 7360, 7705, 7772, 8004, 8040, 8280, 8352, 8576, 8832, 9246, 9280, 9648, 9715, 10005, 10440, 10672, 10720, 11040, 11136, 11658, 12006, 12060, 12328, 12864, 13248, 13340, 13869, 13920, 14720, 15410, 15544, 16008, 16080, 16560, 16704, 17487, 18492, 18560, 19296, 19430, 20010, 20880, 21344, 21440, 22080, 23115, 23316, 24012, 24120, 24656, 25728, 26496, 26680, 27738, 27840, 29145, 30015, 30820, 31088, 32016, 32160, 33120, 33408, 34974, 36984, 38592, 38860, 40020, 41760, 42688, 42880, 44160, 44689, 46230, 46632, 48024, 48240, 49312, 53360, 55476, 55680, 58290, 60030, 61640, 62176, 64032, 64320, 66240, 69345, 69948, 73968, 77184, 77720, 80040, 83520, 85376, 87435, 89378, 92460, 93264, 96048, 96480, 98624, 106720, 110952, 116580, 120060, 123280, 124352, 128064, 128640, 132480, 134067, 138690, 139896, 147936, 155440, 160080, 167040, 174870, 178756, 184920, 186528, 192096, 192960, 197248, 213440, 221904, 223445, 233160, 240120, 246560, 248704, 256128, 268134, 277380, 279792, 295872, 310880, 320160, 349740, 357512, 369840, 373056, 384192, 385920, 402201, 426880, 443808, 446890, 466320, 480240, 493120, 536268, 554760, 559584, 591744, 621760, 640320, 670335, 699480, 715024, 739680, 746112, 768384, 804402, 887616, 893780, 932640, 960480, 986240, 1072536, 1109520, 1119168, 1243520, 1280640, 1340670, 1398960, 1430048, 1479360, 1608804, 1775232, 1787560, 1865280, 1920960, 2011005, 2145072, 2219040, 2238336, 2681340, 2797920, 2860096, 2958720, 3217608, 3575120, 3730560, 3841920, 4022010, 4290144, 4438080, 5362680, 5595840, 5720192, 6435216, 7150240, 8044020, 8580288, 8876160, 10725360, 11191680, 12870432, 14300480, 16088040, 17160576, 21450720, 25740864, 28600960, 32176080, 42901440, 51481728, 64352160, 85802880, 128704320, 257408640]

約数ペア:

[(1, 257408640), (2, 128704320), (3, 85802880), (4, 64352160), (5, 51481728), (6, 42901440), (8, 32176080), (9, 28600960), (10, 25740864), (12, 21450720), (15, 17160576), (16, 16088040), (18, 14300480), (20, 12870432), (23, 11191680), (24, 10725360), (29, 8876160), (30, 8580288), (32, 8044020), (36, 7150240), (40, 6435216), (45, 5720192), (46, 5595840), (48, 5362680), (58, 4438080), (60, 4290144), (64, 4022010), (67, 3841920), (69, 3730560), (72, 3575120), (80, 3217608), (87, 2958720), (90, 2860096), (92, 2797920), (96, 2681340), (115, 2238336), (116, 2219040), (120, 2145072), (128, 2011005), (134, 1920960), (138, 1865280), (144, 1787560), (145, 1775232), (160, 1608804), (174, 1479360), (180, 1430048), (184, 1398960), (192, 1340670), (201, 1280640), (207, 1243520), (230, 1119168), (232, 1109520), (240, 1072536), (261, 986240), (268, 960480), (276, 932640), (288, 893780), (290, 887616), (320, 804402), (335, 768384), (345, 746112), (348, 739680), (360, 715024), (368, 699480), (384, 670335), (402, 640320), (414, 621760), (435, 591744), (460, 559584), (464, 554760), (480, 536268), (522, 493120), (536, 480240), (552, 466320), (576, 446890), (580, 443808), (603, 426880), (640, 402201), (667, 385920), (670, 384192), (690, 373056), (696, 369840), (720, 357512), (736, 349740), (804, 320160), (828, 310880), (870, 295872), (920, 279792), (928, 277380), (960, 268134), (1005, 256128), (1035, 248704), (1044, 246560), (1072, 240120), (1104, 233160), (1152, 223445), (1160, 221904), (1206, 213440), (1305, 197248), (1334, 192960), (1340, 192096), (1380, 186528), (1392, 184920), (1440, 178756), (1472, 174870), (1541, 167040), (1608, 160080), (1656, 155440), (1740, 147936), (1840, 139896), (1856, 138690), (1920, 134067), (1943, 132480), (2001, 128640), (2010, 128064), (2070, 124352), (2088, 123280), (2144, 120060), (2208, 116580), (2320, 110952), (2412, 106720), (2610, 98624), (2668, 96480), (2680, 96048), (2760, 93264), (2784, 92460), (2880, 89378), (2944, 87435), (3015, 85376), (3082, 83520), (3216, 80040), (3312, 77720), (3335, 77184), (3480, 73968), (3680, 69948), (3712, 69345), (3886, 66240), (4002, 64320), (4020, 64032), (4140, 62176), (4176, 61640), (4288, 60030), (4416, 58290), (4623, 55680), (4640, 55476), (4824, 53360), (5220, 49312), (5336, 48240), (5360, 48024), (5520, 46632), (5568, 46230), (5760, 44689), (5829, 44160), (6003, 42880), (6030, 42688), (6164, 41760), (6432, 40020), (6624, 38860), (6670, 38592), (6960, 36984), (7360, 34974), (7705, 33408), (7772, 33120), (8004, 32160), (8040, 32016), (8280, 31088), (8352, 30820), (8576, 30015), (8832, 29145), (9246, 27840), (9280, 27738), (9648, 26680), (9715, 26496), (10005, 25728), (10440, 24656), (10672, 24120), (10720, 24012), (11040, 23316), (11136, 23115), (11658, 22080), (12006, 21440), (12060, 21344), (12328, 20880), (12864, 20010), (13248, 19430), (13340, 19296), (13869, 18560), (13920, 18492), (14720, 17487), (15410, 16704), (15544, 16560), (16008, 16080)]