21278560680

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29717}}^1$

素因数の和:29770

約数の個数: 320

約数和(自身を含む): 81554513040

約数和(自身を除く): 60275952360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 17, 18, 20, 24, 26, 27, 30, 34, 36, 39, 40, 45, 51, 52, 54, 60, 65, 68, 72, 78, 81, 85, 90, 102, 104, 108, 117, 120, 130, 135, 136, 153, 156, 162, 170, 180, 195, 204, 216, 221, 234, 255, 260, 270, 306, 312, 324, 340, 351, 360, 390, 405, 408, 442, 459, 468, 510, 520, 540, 585, 612, 648, 663, 680, 702, 765, 780, 810, 884, 918, 936, 1020, 1053, 1080, 1105, 1170, 1224, 1326, 1377, 1404, 1530, 1560, 1620, 1755, 1768, 1836, 1989, 2040, 2106, 2210, 2295, 2340, 2652, 2754, 2808, 3060, 3240, 3315, 3510, 3672, 3978, 4212, 4420, 4590, 4680, 5265, 5304, 5508, 5967, 6120, 6630, 6885, 7020, 7956, 8424, 8840, 9180, 9945, 10530, 11016, 11934, 13260, 13770, 14040, 15912, 17901, 18360, 19890, 21060, 23868, 26520, 27540, 29717, 29835, 35802, 39780, 42120, 47736, 55080, 59434, 59670, 71604, 79560, 89151, 89505, 118868, 119340, 143208, 148585, 178302, 179010, 237736, 238680, 267453, 297170, 356604, 358020, 386321, 445755, 505189, 534906, 594340, 713208, 716040, 772642, 802359, 891510, 1010378, 1069812, 1158963, 1188680, 1337265, 1515567, 1545284, 1604718, 1783020, 1931605, 2020756, 2139624, 2317926, 2407077, 2525945, 2674530, 3031134, 3090568, 3209436, 3476889, 3566040, 3863210, 4011795, 4041512, 4546701, 4635852, 4814154, 5051890, 5349060, 5794815, 6062268, 6418872, 6567457, 6953778, 7577835, 7726420, 8023590, 9093402, 9271704, 9628308, 10103780, 10430667, 10698120, 11589630, 12035385, 12124536, 13134914, 13640103, 13907556, 15155670, 15452840, 16047180, 17384445, 18186804, 19256616, 19702371, 20207560, 20861334, 22733505, 23179260, 24070770, 26269828, 27280206, 27815112, 30311340, 31292001, 32094360, 32837285, 34768890, 36373608, 39404742, 40920309, 41722668, 45467010, 46358520, 48141540, 52153335, 52539656, 54560412, 59107113, 60622680, 62584002, 65674570, 68200515, 69537780, 78809484, 81840618, 83445336, 90934020, 96283080, 98511855, 104306670, 109120824, 118214226, 125168004, 131349140, 136401030, 139075560, 156460005, 157618968, 163681236, 177321339, 181868040, 197023710, 204601545, 208613340, 236428452, 250336008, 262698280, 272802060, 295535565, 312920010, 327362472, 354642678, 394047420, 409203090, 417226680, 472856904, 531964017, 545604120, 591071130, 625840020, 709285356, 788094840, 818406180, 886606695, 1063928034, 1182142260, 1251680040, 1418570712, 1636812360, 1773213390, 2127856068, 2364284520, 2659820085, 3546426780, 4255712136, 5319640170, 7092853560, 10639280340, 21278560680]

約数ペア:

[(1, 21278560680), (2, 10639280340), (3, 7092853560), (4, 5319640170), (5, 4255712136), (6, 3546426780), (8, 2659820085), (9, 2364284520), (10, 2127856068), (12, 1773213390), (13, 1636812360), (15, 1418570712), (17, 1251680040), (18, 1182142260), (20, 1063928034), (24, 886606695), (26, 818406180), (27, 788094840), (30, 709285356), (34, 625840020), (36, 591071130), (39, 545604120), (40, 531964017), (45, 472856904), (51, 417226680), (52, 409203090), (54, 394047420), (60, 354642678), (65, 327362472), (68, 312920010), (72, 295535565), (78, 272802060), (81, 262698280), (85, 250336008), (90, 236428452), (102, 208613340), (104, 204601545), (108, 197023710), (117, 181868040), (120, 177321339), (130, 163681236), (135, 157618968), (136, 156460005), (153, 139075560), (156, 136401030), (162, 131349140), (170, 125168004), (180, 118214226), (195, 109120824), (204, 104306670), (216, 98511855), (221, 96283080), (234, 90934020), (255, 83445336), (260, 81840618), (270, 78809484), (306, 69537780), (312, 68200515), (324, 65674570), (340, 62584002), (351, 60622680), (360, 59107113), (390, 54560412), (405, 52539656), (408, 52153335), (442, 48141540), (459, 46358520), (468, 45467010), (510, 41722668), (520, 40920309), (540, 39404742), (585, 36373608), (612, 34768890), (648, 32837285), (663, 32094360), (680, 31292001), (702, 30311340), (765, 27815112), (780, 27280206), (810, 26269828), (884, 24070770), (918, 23179260), (936, 22733505), (1020, 20861334), (1053, 20207560), (1080, 19702371), (1105, 19256616), (1170, 18186804), (1224, 17384445), (1326, 16047180), (1377, 15452840), (1404, 15155670), (1530, 13907556), (1560, 13640103), (1620, 13134914), (1755, 12124536), (1768, 12035385), (1836, 11589630), (1989, 10698120), (2040, 10430667), (2106, 10103780), (2210, 9628308), (2295, 9271704), (2340, 9093402), (2652, 8023590), (2754, 7726420), (2808, 7577835), (3060, 6953778), (3240, 6567457), (3315, 6418872), (3510, 6062268), (3672, 5794815), (3978, 5349060), (4212, 5051890), (4420, 4814154), (4590, 4635852), (4680, 4546701), (5265, 4041512), (5304, 4011795), (5508, 3863210), (5967, 3566040), (6120, 3476889), (6630, 3209436), (6885, 3090568), (7020, 3031134), (7956, 2674530), (8424, 2525945), (8840, 2407077), (9180, 2317926), (9945, 2139624), (10530, 2020756), (11016, 1931605), (11934, 1783020), (13260, 1604718), (13770, 1545284), (14040, 1515567), (15912, 1337265), (17901, 1188680), (18360, 1158963), (19890, 1069812), (21060, 1010378), (23868, 891510), (26520, 802359), (27540, 772642), (29717, 716040), (29835, 713208), (35802, 594340), (39780, 534906), (42120, 505189), (47736, 445755), (55080, 386321), (59434, 358020), (59670, 356604), (71604, 297170), (79560, 267453), (89151, 238680), (89505, 237736), (118868, 179010), (119340, 178302), (143208, 148585)]