20921312880

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{17327}}^1$

素因数の和:17405

約数の個数: 320

約数和(自身を含む): 79414917120

約数和(自身を除く): 58493604240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 43, 45, 48, 52, 54, 60, 65, 72, 78, 80, 86, 90, 104, 108, 117, 120, 129, 130, 135, 144, 156, 172, 180, 195, 208, 215, 216, 234, 240, 258, 260, 270, 312, 344, 351, 360, 387, 390, 430, 432, 468, 516, 520, 540, 559, 585, 624, 645, 688, 702, 720, 774, 780, 860, 936, 1032, 1040, 1080, 1118, 1161, 1170, 1290, 1404, 1548, 1560, 1677, 1720, 1755, 1872, 1935, 2064, 2160, 2236, 2322, 2340, 2580, 2795, 2808, 3096, 3120, 3354, 3440, 3510, 3870, 4472, 4644, 4680, 5031, 5160, 5590, 5616, 5805, 6192, 6708, 7020, 7740, 8385, 8944, 9288, 9360, 10062, 10320, 11180, 11610, 13416, 14040, 15093, 15480, 16770, 17327, 18576, 20124, 22360, 23220, 25155, 26832, 28080, 30186, 30960, 33540, 34654, 40248, 44720, 46440, 50310, 51981, 60372, 67080, 69308, 75465, 80496, 86635, 92880, 100620, 103962, 120744, 134160, 138616, 150930, 155943, 173270, 201240, 207924, 225251, 241488, 259905, 277232, 301860, 311886, 346540, 402480, 415848, 450502, 467829, 519810, 603720, 623772, 675753, 693080, 745061, 779715, 831696, 901004, 935658, 1039620, 1126255, 1207440, 1247544, 1351506, 1386160, 1490122, 1559430, 1802008, 1871316, 2027259, 2079240, 2235183, 2252510, 2339145, 2495088, 2703012, 2980244, 3118860, 3378765, 3604016, 3725305, 3742632, 4054518, 4158480, 4470366, 4505020, 4678290, 5406024, 5960488, 6081777, 6237720, 6705549, 6757530, 7450610, 7485264, 8109036, 8940732, 9010040, 9356580, 9685793, 10136295, 10812048, 11175915, 11920976, 12163554, 12475440, 13411098, 13515060, 14901220, 16218072, 17881464, 18020080, 18713160, 19371586, 20116647, 20272590, 22351830, 24327108, 26822196, 27030120, 29057379, 29802440, 30408885, 32436144, 33527745, 35762928, 37426320, 38743172, 40233294, 40545180, 44703660, 48428965, 48654216, 53644392, 54060240, 58114758, 59604880, 60817770, 67055490, 77486344, 80466588, 81090360, 87172137, 89407320, 96857930, 97308432, 100583235, 107288784, 116229516, 121635540, 134110980, 145286895, 154972688, 160933176, 162180720, 174344274, 178814640, 193715860, 201166470, 232459032, 243271080, 261516411, 268221960, 290573790, 321866352, 348688548, 387431720, 402332940, 435860685, 464918064, 486542160, 523032822, 536443920, 581147580, 697377096, 774863440, 804665880, 871721370, 1046065644, 1162295160, 1307582055, 1394754192, 1609331760, 1743442740, 2092131288, 2324590320, 2615164110, 3486885480, 4184262576, 5230328220, 6973770960, 10460656440, 20921312880]

約数ペア:

[(1, 20921312880), (2, 10460656440), (3, 6973770960), (4, 5230328220), (5, 4184262576), (6, 3486885480), (8, 2615164110), (9, 2324590320), (10, 2092131288), (12, 1743442740), (13, 1609331760), (15, 1394754192), (16, 1307582055), (18, 1162295160), (20, 1046065644), (24, 871721370), (26, 804665880), (27, 774863440), (30, 697377096), (36, 581147580), (39, 536443920), (40, 523032822), (43, 486542160), (45, 464918064), (48, 435860685), (52, 402332940), (54, 387431720), (60, 348688548), (65, 321866352), (72, 290573790), (78, 268221960), (80, 261516411), (86, 243271080), (90, 232459032), (104, 201166470), (108, 193715860), (117, 178814640), (120, 174344274), (129, 162180720), (130, 160933176), (135, 154972688), (144, 145286895), (156, 134110980), (172, 121635540), (180, 116229516), (195, 107288784), (208, 100583235), (215, 97308432), (216, 96857930), (234, 89407320), (240, 87172137), (258, 81090360), (260, 80466588), (270, 77486344), (312, 67055490), (344, 60817770), (351, 59604880), (360, 58114758), (387, 54060240), (390, 53644392), (430, 48654216), (432, 48428965), (468, 44703660), (516, 40545180), (520, 40233294), (540, 38743172), (559, 37426320), (585, 35762928), (624, 33527745), (645, 32436144), (688, 30408885), (702, 29802440), (720, 29057379), (774, 27030120), (780, 26822196), (860, 24327108), (936, 22351830), (1032, 20272590), (1040, 20116647), (1080, 19371586), (1118, 18713160), (1161, 18020080), (1170, 17881464), (1290, 16218072), (1404, 14901220), (1548, 13515060), (1560, 13411098), (1677, 12475440), (1720, 12163554), (1755, 11920976), (1872, 11175915), (1935, 10812048), (2064, 10136295), (2160, 9685793), (2236, 9356580), (2322, 9010040), (2340, 8940732), (2580, 8109036), (2795, 7485264), (2808, 7450610), (3096, 6757530), (3120, 6705549), (3354, 6237720), (3440, 6081777), (3510, 5960488), (3870, 5406024), (4472, 4678290), (4644, 4505020), (4680, 4470366), (5031, 4158480), (5160, 4054518), (5590, 3742632), (5616, 3725305), (5805, 3604016), (6192, 3378765), (6708, 3118860), (7020, 2980244), (7740, 2703012), (8385, 2495088), (8944, 2339145), (9288, 2252510), (9360, 2235183), (10062, 2079240), (10320, 2027259), (11180, 1871316), (11610, 1802008), (13416, 1559430), (14040, 1490122), (15093, 1386160), (15480, 1351506), (16770, 1247544), (17327, 1207440), (18576, 1126255), (20124, 1039620), (22360, 935658), (23220, 901004), (25155, 831696), (26832, 779715), (28080, 745061), (30186, 693080), (30960, 675753), (33540, 623772), (34654, 603720), (40248, 519810), (44720, 467829), (46440, 450502), (50310, 415848), (51981, 402480), (60372, 346540), (67080, 311886), (69308, 301860), (75465, 277232), (80496, 259905), (86635, 241488), (92880, 225251), (100620, 207924), (103962, 201240), (120744, 173270), (134160, 155943), (138616, 150930)]