20154129840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{21319}}^1$

素因数の和:21452

約数の個数: 240

約数和(自身を含む): 73615913280

約数和(自身を除く): 53461783440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 101, 104, 117, 120, 130, 144, 156, 180, 195, 202, 208, 234, 240, 260, 303, 312, 360, 390, 404, 468, 505, 520, 585, 606, 624, 720, 780, 808, 909, 936, 1010, 1040, 1170, 1212, 1313, 1515, 1560, 1616, 1818, 1872, 2020, 2340, 2424, 2626, 3030, 3120, 3636, 3939, 4040, 4545, 4680, 4848, 5252, 6060, 6565, 7272, 7878, 8080, 9090, 9360, 10504, 11817, 12120, 13130, 14544, 15756, 18180, 19695, 21008, 21319, 23634, 24240, 26260, 31512, 36360, 39390, 42638, 47268, 52520, 59085, 63024, 63957, 72720, 78780, 85276, 94536, 105040, 106595, 118170, 127914, 157560, 170552, 189072, 191871, 213190, 236340, 255828, 277147, 315120, 319785, 341104, 383742, 426380, 472680, 511656, 554294, 639570, 767484, 831441, 852760, 945360, 959355, 1023312, 1108588, 1279140, 1385735, 1534968, 1662882, 1705520, 1918710, 2153219, 2217176, 2494323, 2558280, 2771470, 3069936, 3325764, 3837420, 4157205, 4306438, 4434352, 4988646, 5116560, 5542940, 6459657, 6651528, 7674840, 8314410, 8612876, 9977292, 10766095, 11085880, 12471615, 12919314, 13303056, 15349680, 16628820, 17225752, 19378971, 19954584, 21532190, 22171760, 24943230, 25838628, 27991847, 32298285, 33257640, 34451504, 38757942, 39909168, 43064380, 49886460, 51677256, 55983694, 64596570, 66515280, 77515884, 83975541, 86128760, 96894855, 99772920, 103354512, 111967388, 129193140, 139959235, 155031768, 167951082, 172257520, 193789710, 199545840, 223934776, 251926623, 258386280, 279918470, 310063536, 335902164, 387579420, 419877705, 447869552, 503853246, 516772560, 559836940, 671804328, 775158840, 839755410, 1007706492, 1119673880, 1259633115, 1343608656, 1550317680, 1679510820, 2015412984, 2239347760, 2519266230, 3359021640, 4030825968, 5038532460, 6718043280, 10077064920, 20154129840]

約数ペア:

[(1, 20154129840), (2, 10077064920), (3, 6718043280), (4, 5038532460), (5, 4030825968), (6, 3359021640), (8, 2519266230), (9, 2239347760), (10, 2015412984), (12, 1679510820), (13, 1550317680), (15, 1343608656), (16, 1259633115), (18, 1119673880), (20, 1007706492), (24, 839755410), (26, 775158840), (30, 671804328), (36, 559836940), (39, 516772560), (40, 503853246), (45, 447869552), (48, 419877705), (52, 387579420), (60, 335902164), (65, 310063536), (72, 279918470), (78, 258386280), (80, 251926623), (90, 223934776), (101, 199545840), (104, 193789710), (117, 172257520), (120, 167951082), (130, 155031768), (144, 139959235), (156, 129193140), (180, 111967388), (195, 103354512), (202, 99772920), (208, 96894855), (234, 86128760), (240, 83975541), (260, 77515884), (303, 66515280), (312, 64596570), (360, 55983694), (390, 51677256), (404, 49886460), (468, 43064380), (505, 39909168), (520, 38757942), (585, 34451504), (606, 33257640), (624, 32298285), (720, 27991847), (780, 25838628), (808, 24943230), (909, 22171760), (936, 21532190), (1010, 19954584), (1040, 19378971), (1170, 17225752), (1212, 16628820), (1313, 15349680), (1515, 13303056), (1560, 12919314), (1616, 12471615), (1818, 11085880), (1872, 10766095), (2020, 9977292), (2340, 8612876), (2424, 8314410), (2626, 7674840), (3030, 6651528), (3120, 6459657), (3636, 5542940), (3939, 5116560), (4040, 4988646), (4545, 4434352), (4680, 4306438), (4848, 4157205), (5252, 3837420), (6060, 3325764), (6565, 3069936), (7272, 2771470), (7878, 2558280), (8080, 2494323), (9090, 2217176), (9360, 2153219), (10504, 1918710), (11817, 1705520), (12120, 1662882), (13130, 1534968), (14544, 1385735), (15756, 1279140), (18180, 1108588), (19695, 1023312), (21008, 959355), (21319, 945360), (23634, 852760), (24240, 831441), (26260, 767484), (31512, 639570), (36360, 554294), (39390, 511656), (42638, 472680), (47268, 426380), (52520, 383742), (59085, 341104), (63024, 319785), (63957, 315120), (72720, 277147), (78780, 255828), (85276, 236340), (94536, 213190), (105040, 191871), (106595, 189072), (118170, 170552), (127914, 157560)]