21891721600

素因数分解:

$2^7\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:338

約数の個数: 384

約数和(自身を含む): 63745920000

約数和(自身を除く): 41854198400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 79, 80, 89, 100, 112, 128, 139, 140, 158, 160, 175, 178, 200, 224, 278, 280, 316, 320, 350, 356, 395, 400, 445, 448, 553, 556, 560, 623, 632, 640, 695, 700, 712, 790, 800, 890, 896, 973, 1106, 1112, 1120, 1246, 1264, 1390, 1400, 1424, 1580, 1600, 1780, 1946, 1975, 2212, 2224, 2225, 2240, 2492, 2528, 2765, 2780, 2800, 2848, 3115, 3160, 3200, 3475, 3560, 3892, 3950, 4424, 4448, 4450, 4480, 4865, 4984, 5056, 5530, 5560, 5600, 5696, 6230, 6320, 6950, 7031, 7120, 7784, 7900, 8848, 8896, 8900, 9730, 9968, 10112, 10981, 11060, 11120, 11200, 11392, 12371, 12460, 12640, 13825, 13900, 14062, 14240, 15568, 15575, 15800, 17696, 17792, 17800, 19460, 19936, 21962, 22120, 22240, 22400, 24325, 24742, 24920, 25280, 27650, 27800, 28124, 28480, 31136, 31150, 31600, 35155, 35392, 35600, 38920, 39872, 43924, 44240, 44480, 48650, 49217, 49484, 49840, 50560, 54905, 55300, 55600, 56248, 56960, 61855, 62272, 62300, 63200, 70310, 70784, 71200, 76867, 77840, 79744, 86597, 87848, 88480, 88960, 97300, 98434, 98968, 99680, 109810, 110600, 111200, 112496, 123710, 124544, 124600, 126400, 140620, 142400, 153734, 155680, 173194, 175696, 175775, 176960, 194600, 196868, 197936, 199360, 219620, 221200, 222400, 224992, 246085, 247420, 249200, 252800, 274525, 281240, 284800, 307468, 309275, 311360, 346388, 351392, 351550, 353920, 384335, 389200, 393736, 395872, 398720, 432985, 439240, 442400, 444800, 449984, 492170, 494840, 498400, 549050, 562480, 614936, 618550, 622720, 692776, 702784, 703100, 768670, 778400, 787472, 791744, 865970, 878480, 884800, 899968, 977309, 984340, 989680, 996800, 1098100, 1124960, 1229872, 1230425, 1237100, 1385552, 1405568, 1406200, 1537340, 1556800, 1574944, 1583488, 1731940, 1756960, 1769600, 1921675, 1954618, 1968680, 1979360, 1993600, 2164925, 2196200, 2249920, 2459744, 2460850, 2474200, 2771104, 2812400, 3074680, 3113600, 3149888, 3463880, 3513920, 3843350, 3909236, 3937360, 3958720, 4329850, 4392400, 4499840, 4886545, 4919488, 4921700, 4948400, 5542208, 5624800, 6149360, 6299776, 6841163, 6927760, 7027840, 7686700, 7818472, 7874720, 7917440, 8659700, 8784800, 9773090, 9838976, 9843400, 9896800, 11084416, 11249600, 12298720, 13682326, 13855520, 15373400, 15636944, 15749440, 17319400, 17569600, 19546180, 19686800, 19793600, 22499200, 24432725, 24597440, 27364652, 27711040, 30746800, 31273888, 31498880, 34205815, 34638800, 35139200, 39092360, 39373600, 39587200, 48865450, 49194880, 54729304, 55422080, 61493600, 62547776, 68411630, 69277600, 78184720, 78747200, 97730900, 109458608, 122987200, 125095552, 136823260, 138555200, 156369440, 157494400, 171029075, 195461800, 218917216, 245974400, 273646520, 277110400, 312738880, 342058150, 390923600, 437834432, 547293040, 625477760, 684116300, 781847200, 875668864, 1094586080, 1368232600, 1563694400, 2189172160, 2736465200, 3127388800, 4378344320, 5472930400, 10945860800, 21891721600]

約数ペア:

[(1, 21891721600), (2, 10945860800), (4, 5472930400), (5, 4378344320), (7, 3127388800), (8, 2736465200), (10, 2189172160), (14, 1563694400), (16, 1368232600), (20, 1094586080), (25, 875668864), (28, 781847200), (32, 684116300), (35, 625477760), (40, 547293040), (50, 437834432), (56, 390923600), (64, 342058150), (70, 312738880), (79, 277110400), (80, 273646520), (89, 245974400), (100, 218917216), (112, 195461800), (128, 171029075), (139, 157494400), (140, 156369440), (158, 138555200), (160, 136823260), (175, 125095552), (178, 122987200), (200, 109458608), (224, 97730900), (278, 78747200), (280, 78184720), (316, 69277600), (320, 68411630), (350, 62547776), (356, 61493600), (395, 55422080), (400, 54729304), (445, 49194880), (448, 48865450), (553, 39587200), (556, 39373600), (560, 39092360), (623, 35139200), (632, 34638800), (640, 34205815), (695, 31498880), (700, 31273888), (712, 30746800), (790, 27711040), (800, 27364652), (890, 24597440), (896, 24432725), (973, 22499200), (1106, 19793600), (1112, 19686800), (1120, 19546180), (1246, 17569600), (1264, 17319400), (1390, 15749440), (1400, 15636944), (1424, 15373400), (1580, 13855520), (1600, 13682326), (1780, 12298720), (1946, 11249600), (1975, 11084416), (2212, 9896800), (2224, 9843400), (2225, 9838976), (2240, 9773090), (2492, 8784800), (2528, 8659700), (2765, 7917440), (2780, 7874720), (2800, 7818472), (2848, 7686700), (3115, 7027840), (3160, 6927760), (3200, 6841163), (3475, 6299776), (3560, 6149360), (3892, 5624800), (3950, 5542208), (4424, 4948400), (4448, 4921700), (4450, 4919488), (4480, 4886545), (4865, 4499840), (4984, 4392400), (5056, 4329850), (5530, 3958720), (5560, 3937360), (5600, 3909236), (5696, 3843350), (6230, 3513920), (6320, 3463880), (6950, 3149888), (7031, 3113600), (7120, 3074680), (7784, 2812400), (7900, 2771104), (8848, 2474200), (8896, 2460850), (8900, 2459744), (9730, 2249920), (9968, 2196200), (10112, 2164925), (10981, 1993600), (11060, 1979360), (11120, 1968680), (11200, 1954618), (11392, 1921675), (12371, 1769600), (12460, 1756960), (12640, 1731940), (13825, 1583488), (13900, 1574944), (14062, 1556800), (14240, 1537340), (15568, 1406200), (15575, 1405568), (15800, 1385552), (17696, 1237100), (17792, 1230425), (17800, 1229872), (19460, 1124960), (19936, 1098100), (21962, 996800), (22120, 989680), (22240, 984340), (22400, 977309), (24325, 899968), (24742, 884800), (24920, 878480), (25280, 865970), (27650, 791744), (27800, 787472), (28124, 778400), (28480, 768670), (31136, 703100), (31150, 702784), (31600, 692776), (35155, 622720), (35392, 618550), (35600, 614936), (38920, 562480), (39872, 549050), (43924, 498400), (44240, 494840), (44480, 492170), (48650, 449984), (49217, 444800), (49484, 442400), (49840, 439240), (50560, 432985), (54905, 398720), (55300, 395872), (55600, 393736), (56248, 389200), (56960, 384335), (61855, 353920), (62272, 351550), (62300, 351392), (63200, 346388), (70310, 311360), (70784, 309275), (71200, 307468), (76867, 284800), (77840, 281240), (79744, 274525), (86597, 252800), (87848, 249200), (88480, 247420), (88960, 246085), (97300, 224992), (98434, 222400), (98968, 221200), (99680, 219620), (109810, 199360), (110600, 197936), (111200, 196868), (112496, 194600), (123710, 176960), (124544, 175775), (124600, 175696), (126400, 173194), (140620, 155680), (142400, 153734)]