81869829840

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{53309}}^1$

素因数の和:53416

約数の個数: 240

約数和(自身を含む): 288744019200

約数和(自身を除く): 206874189360

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, 14220, 17064, 18960, 19197, 19440, 21330, 25596, 28440, 31995, 34128, 38394, 42660, 51192, 53309, 56880, 63990, 76788, 85320, 95985, 102384, 106618, 127980, 153576, 159927, 170640, 191970, 213236, 255960, 266545, 307152, 319854, 383940, 426472, 479781, 511920, 533090, 639708, 767880, 799635, 852944, 959562, 1066180, 1279416, 1439343, 1535760, 1599270, 1919124, 2132360, 2398905, 2558832, 2878686, 3198540, 3838248, 4211411, 4264720, 4318029, 4797810, 5757372, 6397080, 7196715, 7676496, 8422822, 8636058, 9595620, 11514744, 12634233, 12794160, 12954087, 14393430, 16845644, 17272116, 19191240, 21057055, 21590145, 23029488, 25268466, 25908174, 28786860, 33691288, 34544232, 37902699, 38382480, 42114110, 43180290, 50536932, 51816348, 57573720, 63171165, 64770435, 67382576, 69088464, 75805398, 84228220, 86360580, 101073864, 103632696, 113708097, 115147440, 126342330, 129540870, 151610796, 168456440, 172721160, 189513495, 202147728, 207265392, 227416194, 252684660, 259081740, 303221592, 336912880, 341124291, 345442320, 379026990, 454832388, 505369320, 518163480, 568540485, 606443184, 682248582, 758053980, 909664776, 1010738640, 1023372873, 1036326960, 1137080970, 1364497164, 1516107960, 1705621455, 1819329552, 2046745746, 2274161940, 2728994328, 3032215920, 3411242910, 4093491492, 4548323880, 5116864365, 5457988656, 6822485820, 8186982984, 9096647760, 10233728730, 13644971640, 16373965968, 20467457460, 27289943280, 40934914920, 81869829840]

約数ペア:

[(1, 81869829840), (2, 40934914920), (3, 27289943280), (4, 20467457460), (5, 16373965968), (6, 13644971640), (8, 10233728730), (9, 9096647760), (10, 8186982984), (12, 6822485820), (15, 5457988656), (16, 5116864365), (18, 4548323880), (20, 4093491492), (24, 3411242910), (27, 3032215920), (30, 2728994328), (36, 2274161940), (40, 2046745746), (45, 1819329552), (48, 1705621455), (54, 1516107960), (60, 1364497164), (72, 1137080970), (79, 1036326960), (80, 1023372873), (81, 1010738640), (90, 909664776), (108, 758053980), (120, 682248582), (135, 606443184), (144, 568540485), (158, 518163480), (162, 505369320), (180, 454832388), (216, 379026990), (237, 345442320), (240, 341124291), (243, 336912880), (270, 303221592), (316, 259081740), (324, 252684660), (360, 227416194), (395, 207265392), (405, 202147728), (432, 189513495), (474, 172721160), (486, 168456440), (540, 151610796), (632, 129540870), (648, 126342330), (711, 115147440), (720, 113708097), (790, 103632696), (810, 101073864), (948, 86360580), (972, 84228220), (1080, 75805398), (1185, 69088464), (1215, 67382576), (1264, 64770435), (1296, 63171165), (1422, 57573720), (1580, 51816348), (1620, 50536932), (1896, 43180290), (1944, 42114110), (2133, 38382480), (2160, 37902699), (2370, 34544232), (2430, 33691288), (2844, 28786860), (3160, 25908174), (3240, 25268466), (3555, 23029488), (3792, 21590145), (3888, 21057055), (4266, 19191240), (4740, 17272116), (4860, 16845644), (5688, 14393430), (6320, 12954087), (6399, 12794160), (6480, 12634233), (7110, 11514744), (8532, 9595620), (9480, 8636058), (9720, 8422822), (10665, 7676496), (11376, 7196715), (12798, 6397080), (14220, 5757372), (17064, 4797810), (18960, 4318029), (19197, 4264720), (19440, 4211411), (21330, 3838248), (25596, 3198540), (28440, 2878686), (31995, 2558832), (34128, 2398905), (38394, 2132360), (42660, 1919124), (51192, 1599270), (53309, 1535760), (56880, 1439343), (63990, 1279416), (76788, 1066180), (85320, 959562), (95985, 852944), (102384, 799635), (106618, 767880), (127980, 639708), (153576, 533090), (159927, 511920), (170640, 479781), (191970, 426472), (213236, 383940), (255960, 319854), (266545, 307152)]