21260592640

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1523}}^1$

素因数の和:1613

約数の個数: 320

約数和(自身を含む): 62860976640

約数和(自身を除く): 41600384000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 41, 56, 64, 70, 76, 80, 82, 95, 112, 128, 133, 140, 152, 160, 164, 190, 205, 224, 256, 266, 280, 287, 304, 320, 328, 380, 410, 448, 512, 532, 560, 574, 608, 640, 656, 665, 760, 779, 820, 896, 1064, 1120, 1148, 1216, 1280, 1312, 1330, 1435, 1520, 1523, 1558, 1640, 1792, 2128, 2240, 2296, 2432, 2560, 2624, 2660, 2870, 3040, 3046, 3116, 3280, 3584, 3895, 4256, 4480, 4592, 4864, 5248, 5320, 5453, 5740, 6080, 6092, 6232, 6560, 7615, 7790, 8512, 8960, 9184, 9728, 10496, 10640, 10661, 10906, 11480, 12160, 12184, 12464, 13120, 15230, 15580, 17024, 17920, 18368, 20992, 21280, 21322, 21812, 22960, 24320, 24368, 24928, 26240, 27265, 28937, 30460, 31160, 34048, 36736, 42560, 42644, 43624, 45920, 48640, 48736, 49856, 52480, 53305, 54530, 57874, 60920, 62320, 62443, 68096, 73472, 85120, 85288, 87248, 91840, 97472, 99712, 104960, 106610, 109060, 115748, 121840, 124640, 124886, 144685, 146944, 170240, 170576, 174496, 183680, 194944, 199424, 202559, 213220, 218120, 231496, 243680, 249280, 249772, 289370, 312215, 340480, 341152, 348992, 367360, 389888, 398848, 405118, 426440, 436240, 437101, 462992, 487360, 498560, 499544, 578740, 624430, 682304, 697984, 734720, 779776, 810236, 852880, 872480, 874202, 925984, 974720, 997120, 999088, 1012795, 1157480, 1186417, 1248860, 1364608, 1395968, 1620472, 1705760, 1744960, 1748404, 1851968, 1949440, 1994240, 1998176, 2025590, 2185505, 2314960, 2372834, 2497720, 2729216, 2791936, 3240944, 3411520, 3489920, 3496808, 3703936, 3898880, 3996352, 4051180, 4371010, 4629920, 4745668, 4995440, 5458432, 5932085, 6481888, 6823040, 6979840, 6993616, 7407872, 7992704, 8102360, 8304919, 8742020, 9259840, 9491336, 9990880, 11864170, 12963776, 13646080, 13959680, 13987232, 14815744, 15985408, 16204720, 16609838, 17484040, 18519680, 18982672, 19981760, 23728340, 25927552, 27292160, 27974464, 31970816, 32409440, 33219676, 34968080, 37039360, 37965344, 39963520, 41524595, 47456680, 51855104, 55948928, 64818880, 66439352, 69936160, 74078720, 75930688, 79927040, 83049190, 94913360, 103710208, 111897856, 129637760, 132878704, 139872320, 151861376, 159854080, 166098380, 189826720, 223795712, 259275520, 265757408, 279744640, 303722752, 332196760, 379653440, 518551040, 531514816, 559489280, 607445504, 664393520, 759306880, 1063029632, 1118978560, 1328787040, 1518613760, 2126059264, 2657574080, 3037227520, 4252118528, 5315148160, 10630296320, 21260592640]

約数ペア:

[(1, 21260592640), (2, 10630296320), (4, 5315148160), (5, 4252118528), (7, 3037227520), (8, 2657574080), (10, 2126059264), (14, 1518613760), (16, 1328787040), (19, 1118978560), (20, 1063029632), (28, 759306880), (32, 664393520), (35, 607445504), (38, 559489280), (40, 531514816), (41, 518551040), (56, 379653440), (64, 332196760), (70, 303722752), (76, 279744640), (80, 265757408), (82, 259275520), (95, 223795712), (112, 189826720), (128, 166098380), (133, 159854080), (140, 151861376), (152, 139872320), (160, 132878704), (164, 129637760), (190, 111897856), (205, 103710208), (224, 94913360), (256, 83049190), (266, 79927040), (280, 75930688), (287, 74078720), (304, 69936160), (320, 66439352), (328, 64818880), (380, 55948928), (410, 51855104), (448, 47456680), (512, 41524595), (532, 39963520), (560, 37965344), (574, 37039360), (608, 34968080), (640, 33219676), (656, 32409440), (665, 31970816), (760, 27974464), (779, 27292160), (820, 25927552), (896, 23728340), (1064, 19981760), (1120, 18982672), (1148, 18519680), (1216, 17484040), (1280, 16609838), (1312, 16204720), (1330, 15985408), (1435, 14815744), (1520, 13987232), (1523, 13959680), (1558, 13646080), (1640, 12963776), (1792, 11864170), (2128, 9990880), (2240, 9491336), (2296, 9259840), (2432, 8742020), (2560, 8304919), (2624, 8102360), (2660, 7992704), (2870, 7407872), (3040, 6993616), (3046, 6979840), (3116, 6823040), (3280, 6481888), (3584, 5932085), (3895, 5458432), (4256, 4995440), (4480, 4745668), (4592, 4629920), (4864, 4371010), (5248, 4051180), (5320, 3996352), (5453, 3898880), (5740, 3703936), (6080, 3496808), (6092, 3489920), (6232, 3411520), (6560, 3240944), (7615, 2791936), (7790, 2729216), (8512, 2497720), (8960, 2372834), (9184, 2314960), (9728, 2185505), (10496, 2025590), (10640, 1998176), (10661, 1994240), (10906, 1949440), (11480, 1851968), (12160, 1748404), (12184, 1744960), (12464, 1705760), (13120, 1620472), (15230, 1395968), (15580, 1364608), (17024, 1248860), (17920, 1186417), (18368, 1157480), (20992, 1012795), (21280, 999088), (21322, 997120), (21812, 974720), (22960, 925984), (24320, 874202), (24368, 872480), (24928, 852880), (26240, 810236), (27265, 779776), (28937, 734720), (30460, 697984), (31160, 682304), (34048, 624430), (36736, 578740), (42560, 499544), (42644, 498560), (43624, 487360), (45920, 462992), (48640, 437101), (48736, 436240), (49856, 426440), (52480, 405118), (53305, 398848), (54530, 389888), (57874, 367360), (60920, 348992), (62320, 341152), (62443, 340480), (68096, 312215), (73472, 289370), (85120, 249772), (85288, 249280), (87248, 243680), (91840, 231496), (97472, 218120), (99712, 213220), (104960, 202559), (106610, 199424), (109060, 194944), (115748, 183680), (121840, 174496), (124640, 170576), (124886, 170240), (144685, 146944)]