1388689920

素因数分解:

$2^9\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:253

約数の個数: 400

約数和(自身を含む): 5136499368

約数和(自身を除く): 3747809448

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 37, 40, 45, 48, 54, 60, 64, 72, 74, 80, 81, 90, 96, 108, 111, 120, 128, 135, 144, 148, 160, 162, 180, 181, 185, 192, 216, 222, 240, 256, 270, 288, 296, 320, 324, 333, 360, 362, 370, 384, 405, 432, 444, 480, 512, 540, 543, 555, 576, 592, 640, 648, 666, 720, 724, 740, 768, 810, 864, 888, 905, 960, 999, 1080, 1086, 1110, 1152, 1184, 1280, 1296, 1332, 1440, 1448, 1480, 1536, 1620, 1629, 1665, 1728, 1776, 1810, 1920, 1998, 2160, 2172, 2220, 2304, 2368, 2560, 2592, 2664, 2715, 2880, 2896, 2960, 2997, 3240, 3258, 3330, 3456, 3552, 3620, 3840, 3996, 4320, 4344, 4440, 4608, 4736, 4887, 4995, 5184, 5328, 5430, 5760, 5792, 5920, 5994, 6480, 6516, 6660, 6697, 6912, 7104, 7240, 7680, 7992, 8145, 8640, 8688, 8880, 9472, 9774, 9990, 10368, 10656, 10860, 11520, 11584, 11840, 11988, 12960, 13032, 13320, 13394, 13824, 14208, 14480, 14661, 14985, 15984, 16290, 17280, 17376, 17760, 18944, 19548, 19980, 20091, 20736, 21312, 21720, 23040, 23168, 23680, 23976, 24435, 25920, 26064, 26640, 26788, 28416, 28960, 29322, 29970, 31968, 32580, 33485, 34560, 34752, 35520, 39096, 39960, 40182, 41472, 42624, 43440, 46336, 47360, 47952, 48870, 51840, 52128, 53280, 53576, 56832, 57920, 58644, 59940, 60273, 63936, 65160, 66970, 69120, 69504, 71040, 73305, 78192, 79920, 80364, 85248, 86880, 92672, 94720, 95904, 97740, 100455, 103680, 104256, 106560, 107152, 115840, 117288, 119880, 120546, 127872, 130320, 133940, 139008, 142080, 146610, 156384, 159840, 160728, 170496, 173760, 180819, 191808, 195480, 200910, 207360, 208512, 213120, 214304, 231680, 234576, 239760, 241092, 255744, 260640, 267880, 278016, 284160, 293220, 301365, 312768, 319680, 321456, 347520, 361638, 383616, 390960, 401820, 417024, 426240, 428608, 463360, 469152, 479520, 482184, 511488, 521280, 535760, 542457, 586440, 602730, 625536, 639360, 642912, 695040, 723276, 767232, 781920, 803640, 834048, 852480, 857216, 904095, 938304, 959040, 964368, 1042560, 1071520, 1084914, 1172880, 1205460, 1251072, 1278720, 1285824, 1390080, 1446552, 1534464, 1563840, 1607280, 1714432, 1808190, 1876608, 1918080, 1928736, 2085120, 2143040, 2169828, 2345760, 2410920, 2502144, 2557440, 2571648, 2712285, 2893104, 3127680, 3214560, 3428864, 3616380, 3753216, 3836160, 3857472, 4170240, 4286080, 4339656, 4691520, 4821840, 5143296, 5424570, 5786208, 6255360, 6429120, 7232760, 7506432, 7672320, 7714944, 8572160, 8679312, 9383040, 9643680, 10286592, 10849140, 11572416, 12510720, 12858240, 14465520, 15429888, 17144320, 17358624, 18766080, 19287360, 21698280, 23144832, 25716480, 28931040, 30859776, 34717248, 37532160, 38574720, 43396560, 46289664, 51432960, 57862080, 69434496, 77149440, 86793120, 92579328, 115724160, 138868992, 154298880, 173586240, 231448320, 277737984, 347172480, 462896640, 694344960, 1388689920]

約数ペア:

[(1, 1388689920), (2, 694344960), (3, 462896640), (4, 347172480), (5, 277737984), (6, 231448320), (8, 173586240), (9, 154298880), (10, 138868992), (12, 115724160), (15, 92579328), (16, 86793120), (18, 77149440), (20, 69434496), (24, 57862080), (27, 51432960), (30, 46289664), (32, 43396560), (36, 38574720), (37, 37532160), (40, 34717248), (45, 30859776), (48, 28931040), (54, 25716480), (60, 23144832), (64, 21698280), (72, 19287360), (74, 18766080), (80, 17358624), (81, 17144320), (90, 15429888), (96, 14465520), (108, 12858240), (111, 12510720), (120, 11572416), (128, 10849140), (135, 10286592), (144, 9643680), (148, 9383040), (160, 8679312), (162, 8572160), (180, 7714944), (181, 7672320), (185, 7506432), (192, 7232760), (216, 6429120), (222, 6255360), (240, 5786208), (256, 5424570), (270, 5143296), (288, 4821840), (296, 4691520), (320, 4339656), (324, 4286080), (333, 4170240), (360, 3857472), (362, 3836160), (370, 3753216), (384, 3616380), (405, 3428864), (432, 3214560), (444, 3127680), (480, 2893104), (512, 2712285), (540, 2571648), (543, 2557440), (555, 2502144), (576, 2410920), (592, 2345760), (640, 2169828), (648, 2143040), (666, 2085120), (720, 1928736), (724, 1918080), (740, 1876608), (768, 1808190), (810, 1714432), (864, 1607280), (888, 1563840), (905, 1534464), (960, 1446552), (999, 1390080), (1080, 1285824), (1086, 1278720), (1110, 1251072), (1152, 1205460), (1184, 1172880), (1280, 1084914), (1296, 1071520), (1332, 1042560), (1440, 964368), (1448, 959040), (1480, 938304), (1536, 904095), (1620, 857216), (1629, 852480), (1665, 834048), (1728, 803640), (1776, 781920), (1810, 767232), (1920, 723276), (1998, 695040), (2160, 642912), (2172, 639360), (2220, 625536), (2304, 602730), (2368, 586440), (2560, 542457), (2592, 535760), (2664, 521280), (2715, 511488), (2880, 482184), (2896, 479520), (2960, 469152), (2997, 463360), (3240, 428608), (3258, 426240), (3330, 417024), (3456, 401820), (3552, 390960), (3620, 383616), (3840, 361638), (3996, 347520), (4320, 321456), (4344, 319680), (4440, 312768), (4608, 301365), (4736, 293220), (4887, 284160), (4995, 278016), (5184, 267880), (5328, 260640), (5430, 255744), (5760, 241092), (5792, 239760), (5920, 234576), (5994, 231680), (6480, 214304), (6516, 213120), (6660, 208512), (6697, 207360), (6912, 200910), (7104, 195480), (7240, 191808), (7680, 180819), (7992, 173760), (8145, 170496), (8640, 160728), (8688, 159840), (8880, 156384), (9472, 146610), (9774, 142080), (9990, 139008), (10368, 133940), (10656, 130320), (10860, 127872), (11520, 120546), (11584, 119880), (11840, 117288), (11988, 115840), (12960, 107152), (13032, 106560), (13320, 104256), (13394, 103680), (13824, 100455), (14208, 97740), (14480, 95904), (14661, 94720), (14985, 92672), (15984, 86880), (16290, 85248), (17280, 80364), (17376, 79920), (17760, 78192), (18944, 73305), (19548, 71040), (19980, 69504), (20091, 69120), (20736, 66970), (21312, 65160), (21720, 63936), (23040, 60273), (23168, 59940), (23680, 58644), (23976, 57920), (24435, 56832), (25920, 53576), (26064, 53280), (26640, 52128), (26788, 51840), (28416, 48870), (28960, 47952), (29322, 47360), (29970, 46336), (31968, 43440), (32580, 42624), (33485, 41472), (34560, 40182), (34752, 39960), (35520, 39096)]