21920033520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{395383}}^1$

素因数の和:395420

約数の個数: 240

約数和(自身を含む): 91779697152

約数和(自身を除く): 69859663632

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 99, 105, 110, 112, 120, 126, 132, 140, 144, 154, 165, 168, 176, 180, 198, 210, 220, 231, 240, 252, 264, 280, 308, 315, 330, 336, 360, 385, 396, 420, 440, 462, 495, 504, 528, 560, 616, 630, 660, 693, 720, 770, 792, 840, 880, 924, 990, 1008, 1155, 1232, 1260, 1320, 1386, 1540, 1584, 1680, 1848, 1980, 2310, 2520, 2640, 2772, 3080, 3465, 3696, 3960, 4620, 5040, 5544, 6160, 6930, 7920, 9240, 11088, 13860, 18480, 27720, 55440, 395383, 790766, 1186149, 1581532, 1976915, 2372298, 2767681, 3163064, 3558447, 3953830, 4349213, 4744596, 5535362, 5930745, 6326128, 7116894, 7907660, 8303043, 8698426, 9489192, 11070724, 11861490, 13047639, 13838405, 14233788, 15815320, 16606086, 17396852, 17792235, 18978384, 21746065, 22141448, 23722980, 24909129, 26095278, 27676810, 28467576, 30444491, 31630640, 33212172, 34793704, 35584470, 39142917, 41515215, 43492130, 44282896, 47445960, 49818258, 52190556, 55353620, 56935152, 60888982, 65238195, 66424344, 69587408, 71168940, 78285834, 83030430, 86984260, 91333473, 94891920, 99636516, 104381112, 110707240, 121777964, 124545645, 130476390, 132848688, 142337880, 152222455, 156571668, 166060860, 173968520, 182666946, 195714585, 199273032, 208762224, 221414480, 243555928, 249091290, 260952780, 274000419, 284675760, 304444910, 313143336, 332121720, 347937040, 365333892, 391429170, 398546064, 456667365, 487111856, 498182580, 521905560, 548000838, 608889820, 626286672, 664243440, 730667784, 782858340, 913334730, 996365160, 1043811120, 1096001676, 1217779640, 1370002095, 1461335568, 1565716680, 1826669460, 1992730320, 2192003352, 2435559280, 2740004190, 3131433360, 3653338920, 4384006704, 5480008380, 7306677840, 10960016760, 21920033520]

約数ペア:

[(1, 21920033520), (2, 10960016760), (3, 7306677840), (4, 5480008380), (5, 4384006704), (6, 3653338920), (7, 3131433360), (8, 2740004190), (9, 2435559280), (10, 2192003352), (11, 1992730320), (12, 1826669460), (14, 1565716680), (15, 1461335568), (16, 1370002095), (18, 1217779640), (20, 1096001676), (21, 1043811120), (22, 996365160), (24, 913334730), (28, 782858340), (30, 730667784), (33, 664243440), (35, 626286672), (36, 608889820), (40, 548000838), (42, 521905560), (44, 498182580), (45, 487111856), (48, 456667365), (55, 398546064), (56, 391429170), (60, 365333892), (63, 347937040), (66, 332121720), (70, 313143336), (72, 304444910), (77, 284675760), (80, 274000419), (84, 260952780), (88, 249091290), (90, 243555928), (99, 221414480), (105, 208762224), (110, 199273032), (112, 195714585), (120, 182666946), (126, 173968520), (132, 166060860), (140, 156571668), (144, 152222455), (154, 142337880), (165, 132848688), (168, 130476390), (176, 124545645), (180, 121777964), (198, 110707240), (210, 104381112), (220, 99636516), (231, 94891920), (240, 91333473), (252, 86984260), (264, 83030430), (280, 78285834), (308, 71168940), (315, 69587408), (330, 66424344), (336, 65238195), (360, 60888982), (385, 56935152), (396, 55353620), (420, 52190556), (440, 49818258), (462, 47445960), (495, 44282896), (504, 43492130), (528, 41515215), (560, 39142917), (616, 35584470), (630, 34793704), (660, 33212172), (693, 31630640), (720, 30444491), (770, 28467576), (792, 27676810), (840, 26095278), (880, 24909129), (924, 23722980), (990, 22141448), (1008, 21746065), (1155, 18978384), (1232, 17792235), (1260, 17396852), (1320, 16606086), (1386, 15815320), (1540, 14233788), (1584, 13838405), (1680, 13047639), (1848, 11861490), (1980, 11070724), (2310, 9489192), (2520, 8698426), (2640, 8303043), (2772, 7907660), (3080, 7116894), (3465, 6326128), (3696, 5930745), (3960, 5535362), (4620, 4744596), (5040, 4349213), (5544, 3953830), (6160, 3558447), (6930, 3163064), (7920, 2767681), (9240, 2372298), (11088, 1976915), (13860, 1581532), (18480, 1186149), (27720, 790766), (55440, 395383)]