20927801520

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{13627}}^1$

素因数の和:13734

約数の個数: 240

約数和(自身を含む): 73813608960

約数和(自身を除く): 52885807440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 79, 80, 81, 90, 108, 120, 135, 144, 158, 162, 180, 216, 237, 240, 243, 270, 316, 324, 360, 395, 405, 432, 474, 486, 540, 632, 648, 711, 720, 790, 810, 948, 972, 1080, 1185, 1215, 1264, 1296, 1422, 1580, 1620, 1896, 1944, 2133, 2160, 2370, 2430, 2844, 3160, 3240, 3555, 3792, 3888, 4266, 4740, 4860, 5688, 6320, 6399, 6480, 7110, 8532, 9480, 9720, 10665, 11376, 12798, 13627, 14220, 17064, 18960, 19197, 19440, 21330, 25596, 27254, 28440, 31995, 34128, 38394, 40881, 42660, 51192, 54508, 56880, 63990, 68135, 76788, 81762, 85320, 95985, 102384, 109016, 122643, 127980, 136270, 153576, 163524, 170640, 191970, 204405, 218032, 245286, 255960, 272540, 307152, 327048, 367929, 383940, 408810, 490572, 511920, 545080, 613215, 654096, 735858, 767880, 817620, 981144, 1076533, 1090160, 1103787, 1226430, 1471716, 1535760, 1635240, 1839645, 1962288, 2153066, 2207574, 2452860, 2943432, 3229599, 3270480, 3311361, 3679290, 4306132, 4415148, 4905720, 5382665, 5518935, 5886864, 6459198, 6622722, 7358580, 8612264, 8830296, 9688797, 9811440, 10765330, 11037870, 12918396, 13245444, 14717160, 16147995, 16556805, 17224528, 17660592, 19377594, 21530660, 22075740, 25836792, 26490888, 29066391, 29434320, 32295990, 33113610, 38755188, 43061320, 44151480, 48443985, 51673584, 52981776, 58132782, 64591980, 66227220, 77510376, 86122640, 87199173, 88302960, 96887970, 116265564, 129183960, 132454440, 145331955, 155020752, 174398346, 193775940, 232531128, 258367920, 261597519, 264908880, 290663910, 348796692, 387551880, 435995865, 465062256, 523195038, 581327820, 697593384, 775103760, 871991730, 1046390076, 1162655640, 1307987595, 1395186768, 1743983460, 2092780152, 2325311280, 2615975190, 3487966920, 4185560304, 5231950380, 6975933840, 10463900760, 20927801520]

約数ペア:

[(1, 20927801520), (2, 10463900760), (3, 6975933840), (4, 5231950380), (5, 4185560304), (6, 3487966920), (8, 2615975190), (9, 2325311280), (10, 2092780152), (12, 1743983460), (15, 1395186768), (16, 1307987595), (18, 1162655640), (20, 1046390076), (24, 871991730), (27, 775103760), (30, 697593384), (36, 581327820), (40, 523195038), (45, 465062256), (48, 435995865), (54, 387551880), (60, 348796692), (72, 290663910), (79, 264908880), (80, 261597519), (81, 258367920), (90, 232531128), (108, 193775940), (120, 174398346), (135, 155020752), (144, 145331955), (158, 132454440), (162, 129183960), (180, 116265564), (216, 96887970), (237, 88302960), (240, 87199173), (243, 86122640), (270, 77510376), (316, 66227220), (324, 64591980), (360, 58132782), (395, 52981776), (405, 51673584), (432, 48443985), (474, 44151480), (486, 43061320), (540, 38755188), (632, 33113610), (648, 32295990), (711, 29434320), (720, 29066391), (790, 26490888), (810, 25836792), (948, 22075740), (972, 21530660), (1080, 19377594), (1185, 17660592), (1215, 17224528), (1264, 16556805), (1296, 16147995), (1422, 14717160), (1580, 13245444), (1620, 12918396), (1896, 11037870), (1944, 10765330), (2133, 9811440), (2160, 9688797), (2370, 8830296), (2430, 8612264), (2844, 7358580), (3160, 6622722), (3240, 6459198), (3555, 5886864), (3792, 5518935), (3888, 5382665), (4266, 4905720), (4740, 4415148), (4860, 4306132), (5688, 3679290), (6320, 3311361), (6399, 3270480), (6480, 3229599), (7110, 2943432), (8532, 2452860), (9480, 2207574), (9720, 2153066), (10665, 1962288), (11376, 1839645), (12798, 1635240), (13627, 1535760), (14220, 1471716), (17064, 1226430), (18960, 1103787), (19197, 1090160), (19440, 1076533), (21330, 981144), (25596, 817620), (27254, 767880), (28440, 735858), (31995, 654096), (34128, 613215), (38394, 545080), (40881, 511920), (42660, 490572), (51192, 408810), (54508, 383940), (56880, 367929), (63990, 327048), (68135, 307152), (76788, 272540), (81762, 255960), (85320, 245286), (95985, 218032), (102384, 204405), (109016, 191970), (122643, 170640), (127980, 163524), (136270, 153576)]