21278786880

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{55001}}^1$

素因数の和:55065

約数の個数: 224

約数和(自身を含む): 75105451008

約数和(自身を除く): 53826664128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 32, 39, 40, 48, 52, 60, 62, 64, 65, 78, 80, 93, 96, 104, 120, 124, 130, 155, 156, 160, 186, 192, 195, 208, 240, 248, 260, 310, 312, 320, 372, 390, 403, 416, 465, 480, 496, 520, 620, 624, 744, 780, 806, 832, 930, 960, 992, 1040, 1209, 1240, 1248, 1488, 1560, 1612, 1860, 1984, 2015, 2080, 2418, 2480, 2496, 2976, 3120, 3224, 3720, 4030, 4160, 4836, 4960, 5952, 6045, 6240, 6448, 7440, 8060, 9672, 9920, 12090, 12480, 12896, 14880, 16120, 19344, 24180, 25792, 29760, 32240, 38688, 48360, 55001, 64480, 77376, 96720, 110002, 128960, 165003, 193440, 220004, 275005, 330006, 386880, 440008, 550010, 660012, 715013, 825015, 880016, 1100020, 1320024, 1430026, 1650030, 1705031, 1760032, 2145039, 2200040, 2640048, 2860052, 3300060, 3410062, 3520064, 3575065, 4290078, 4400080, 5115093, 5280096, 5720104, 6600120, 6820124, 7150130, 8525155, 8580156, 8800160, 10230186, 10560192, 10725195, 11440208, 13200240, 13640248, 14300260, 17050310, 17160312, 17600320, 20460372, 21450390, 22165403, 22880416, 25575465, 26400480, 27280496, 28600520, 34100620, 34320624, 40920744, 42900780, 44330806, 45760832, 51150930, 52800960, 54560992, 57201040, 66496209, 68201240, 68641248, 81841488, 85801560, 88661612, 102301860, 109121984, 110827015, 114402080, 132992418, 136402480, 137282496, 163682976, 171603120, 177323224, 204603720, 221654030, 228804160, 265984836, 272804960, 327365952, 332481045, 343206240, 354646448, 409207440, 443308060, 531969672, 545609920, 664962090, 686412480, 709292896, 818414880, 886616120, 1063939344, 1329924180, 1418585792, 1636829760, 1773232240, 2127878688, 2659848360, 3546464480, 4255757376, 5319696720, 7092928960, 10639393440, 21278786880]

約数ペア:

[(1, 21278786880), (2, 10639393440), (3, 7092928960), (4, 5319696720), (5, 4255757376), (6, 3546464480), (8, 2659848360), (10, 2127878688), (12, 1773232240), (13, 1636829760), (15, 1418585792), (16, 1329924180), (20, 1063939344), (24, 886616120), (26, 818414880), (30, 709292896), (31, 686412480), (32, 664962090), (39, 545609920), (40, 531969672), (48, 443308060), (52, 409207440), (60, 354646448), (62, 343206240), (64, 332481045), (65, 327365952), (78, 272804960), (80, 265984836), (93, 228804160), (96, 221654030), (104, 204603720), (120, 177323224), (124, 171603120), (130, 163682976), (155, 137282496), (156, 136402480), (160, 132992418), (186, 114402080), (192, 110827015), (195, 109121984), (208, 102301860), (240, 88661612), (248, 85801560), (260, 81841488), (310, 68641248), (312, 68201240), (320, 66496209), (372, 57201040), (390, 54560992), (403, 52800960), (416, 51150930), (465, 45760832), (480, 44330806), (496, 42900780), (520, 40920744), (620, 34320624), (624, 34100620), (744, 28600520), (780, 27280496), (806, 26400480), (832, 25575465), (930, 22880416), (960, 22165403), (992, 21450390), (1040, 20460372), (1209, 17600320), (1240, 17160312), (1248, 17050310), (1488, 14300260), (1560, 13640248), (1612, 13200240), (1860, 11440208), (1984, 10725195), (2015, 10560192), (2080, 10230186), (2418, 8800160), (2480, 8580156), (2496, 8525155), (2976, 7150130), (3120, 6820124), (3224, 6600120), (3720, 5720104), (4030, 5280096), (4160, 5115093), (4836, 4400080), (4960, 4290078), (5952, 3575065), (6045, 3520064), (6240, 3410062), (6448, 3300060), (7440, 2860052), (8060, 2640048), (9672, 2200040), (9920, 2145039), (12090, 1760032), (12480, 1705031), (12896, 1650030), (14880, 1430026), (16120, 1320024), (19344, 1100020), (24180, 880016), (25792, 825015), (29760, 715013), (32240, 660012), (38688, 550010), (48360, 440008), (55001, 386880), (64480, 330006), (77376, 275005), (96720, 220004), (110002, 193440), (128960, 165003)]