21081240000

素因数分解:

$2^6\times 3^2\times 5^4\times {\mathrm{31}}^1\times {\mathrm{1889}}^1$

素因数の和:1958

約数の個数: 420

約数和(自身を含む): 77984786880

約数和(自身を除く): 56903546880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 31, 32, 36, 40, 45, 48, 50, 60, 62, 64, 72, 75, 80, 90, 93, 96, 100, 120, 124, 125, 144, 150, 155, 160, 180, 186, 192, 200, 225, 240, 248, 250, 279, 288, 300, 310, 320, 360, 372, 375, 400, 450, 465, 480, 496, 500, 558, 576, 600, 620, 625, 720, 744, 750, 775, 800, 900, 930, 960, 992, 1000, 1116, 1125, 1200, 1240, 1250, 1395, 1440, 1488, 1500, 1550, 1600, 1800, 1860, 1875, 1889, 1984, 2000, 2232, 2250, 2325, 2400, 2480, 2500, 2790, 2880, 2976, 3000, 3100, 3600, 3720, 3750, 3778, 3875, 4000, 4464, 4500, 4650, 4800, 4960, 5000, 5580, 5625, 5667, 5952, 6000, 6200, 6975, 7200, 7440, 7500, 7556, 7750, 8000, 8928, 9000, 9300, 9445, 9920, 10000, 11160, 11250, 11334, 11625, 12000, 12400, 13950, 14400, 14880, 15000, 15112, 15500, 17001, 17856, 18000, 18600, 18890, 19375, 20000, 22320, 22500, 22668, 23250, 24000, 24800, 27900, 28335, 29760, 30000, 30224, 31000, 34002, 34875, 36000, 37200, 37780, 38750, 40000, 44640, 45000, 45336, 46500, 47225, 49600, 55800, 56670, 58125, 58559, 60000, 60448, 62000, 68004, 69750, 72000, 74400, 75560, 77500, 85005, 89280, 90000, 90672, 93000, 94450, 111600, 113340, 116250, 117118, 120000, 120896, 124000, 136008, 139500, 141675, 148800, 151120, 155000, 170010, 174375, 175677, 180000, 181344, 186000, 188900, 223200, 226680, 232500, 234236, 236125, 248000, 272016, 279000, 283350, 292795, 302240, 310000, 340020, 348750, 351354, 360000, 362688, 372000, 377800, 425025, 446400, 453360, 465000, 468472, 472250, 527031, 544032, 558000, 566700, 585590, 604480, 620000, 680040, 697500, 702708, 708375, 744000, 755600, 850050, 878385, 906720, 930000, 936944, 944500, 1054062, 1088064, 1116000, 1133400, 1171180, 1180625, 1240000, 1360080, 1395000, 1405416, 1416750, 1463975, 1511200, 1700100, 1756770, 1813440, 1860000, 1873888, 1889000, 2108124, 2125125, 2232000, 2266800, 2342360, 2361250, 2635155, 2720160, 2790000, 2810832, 2833500, 2927950, 3022400, 3400200, 3513540, 3541875, 3720000, 3747776, 3778000, 4216248, 4250250, 4391925, 4533600, 4684720, 4722500, 5270310, 5440320, 5580000, 5621664, 5667000, 5855900, 6800400, 7027080, 7083750, 7319875, 7556000, 8432496, 8500500, 8783850, 9067200, 9369440, 9445000, 10540620, 10625625, 11160000, 11243328, 11334000, 11711800, 13175775, 13600800, 14054160, 14167500, 14639750, 15112000, 16864992, 17001000, 17567700, 18738880, 18890000, 21081240, 21251250, 21959625, 22668000, 23423600, 26351550, 27201600, 28108320, 28335000, 29279500, 33729984, 34002000, 35135400, 36599375, 37780000, 42162480, 42502500, 43919250, 45336000, 46847200, 52703100, 56216640, 56670000, 58559000, 65878875, 68004000, 70270800, 73198750, 75560000, 84324960, 85005000, 87838500, 93694400, 105406200, 109798125, 113340000, 117118000, 131757750, 136008000, 140541600, 146397500, 168649920, 170010000, 175677000, 210812400, 219596250, 226680000, 234236000, 263515500, 281083200, 292795000, 329394375, 340020000, 351354000, 421624800, 439192500, 468472000, 527031000, 585590000, 658788750, 680040000, 702708000, 843249600, 878385000, 1054062000, 1171180000, 1317577500, 1405416000, 1756770000, 2108124000, 2342360000, 2635155000, 3513540000, 4216248000, 5270310000, 7027080000, 10540620000, 21081240000]

約数ペア:

[(1, 21081240000), (2, 10540620000), (3, 7027080000), (4, 5270310000), (5, 4216248000), (6, 3513540000), (8, 2635155000), (9, 2342360000), (10, 2108124000), (12, 1756770000), (15, 1405416000), (16, 1317577500), (18, 1171180000), (20, 1054062000), (24, 878385000), (25, 843249600), (30, 702708000), (31, 680040000), (32, 658788750), (36, 585590000), (40, 527031000), (45, 468472000), (48, 439192500), (50, 421624800), (60, 351354000), (62, 340020000), (64, 329394375), (72, 292795000), (75, 281083200), (80, 263515500), (90, 234236000), (93, 226680000), (96, 219596250), (100, 210812400), (120, 175677000), (124, 170010000), (125, 168649920), (144, 146397500), (150, 140541600), (155, 136008000), (160, 131757750), (180, 117118000), (186, 113340000), (192, 109798125), (200, 105406200), (225, 93694400), (240, 87838500), (248, 85005000), (250, 84324960), (279, 75560000), (288, 73198750), (300, 70270800), (310, 68004000), (320, 65878875), (360, 58559000), (372, 56670000), (375, 56216640), (400, 52703100), (450, 46847200), (465, 45336000), (480, 43919250), (496, 42502500), (500, 42162480), (558, 37780000), (576, 36599375), (600, 35135400), (620, 34002000), (625, 33729984), (720, 29279500), (744, 28335000), (750, 28108320), (775, 27201600), (800, 26351550), (900, 23423600), (930, 22668000), (960, 21959625), (992, 21251250), (1000, 21081240), (1116, 18890000), (1125, 18738880), (1200, 17567700), (1240, 17001000), (1250, 16864992), (1395, 15112000), (1440, 14639750), (1488, 14167500), (1500, 14054160), (1550, 13600800), (1600, 13175775), (1800, 11711800), (1860, 11334000), (1875, 11243328), (1889, 11160000), (1984, 10625625), (2000, 10540620), (2232, 9445000), (2250, 9369440), (2325, 9067200), (2400, 8783850), (2480, 8500500), (2500, 8432496), (2790, 7556000), (2880, 7319875), (2976, 7083750), (3000, 7027080), (3100, 6800400), (3600, 5855900), (3720, 5667000), (3750, 5621664), (3778, 5580000), (3875, 5440320), (4000, 5270310), (4464, 4722500), (4500, 4684720), (4650, 4533600), (4800, 4391925), (4960, 4250250), (5000, 4216248), (5580, 3778000), (5625, 3747776), (5667, 3720000), (5952, 3541875), (6000, 3513540), (6200, 3400200), (6975, 3022400), (7200, 2927950), (7440, 2833500), (7500, 2810832), (7556, 2790000), (7750, 2720160), (8000, 2635155), (8928, 2361250), (9000, 2342360), (9300, 2266800), (9445, 2232000), (9920, 2125125), (10000, 2108124), (11160, 1889000), (11250, 1873888), (11334, 1860000), (11625, 1813440), (12000, 1756770), (12400, 1700100), (13950, 1511200), (14400, 1463975), (14880, 1416750), (15000, 1405416), (15112, 1395000), (15500, 1360080), (17001, 1240000), (17856, 1180625), (18000, 1171180), (18600, 1133400), (18890, 1116000), (19375, 1088064), (20000, 1054062), (22320, 944500), (22500, 936944), (22668, 930000), (23250, 906720), (24000, 878385), (24800, 850050), (27900, 755600), (28335, 744000), (29760, 708375), (30000, 702708), (30224, 697500), (31000, 680040), (34002, 620000), (34875, 604480), (36000, 585590), (37200, 566700), (37780, 558000), (38750, 544032), (40000, 527031), (44640, 472250), (45000, 468472), (45336, 465000), (46500, 453360), (47225, 446400), (49600, 425025), (55800, 377800), (56670, 372000), (58125, 362688), (58559, 360000), (60000, 351354), (60448, 348750), (62000, 340020), (68004, 310000), (69750, 302240), (72000, 292795), (74400, 283350), (75560, 279000), (77500, 272016), (85005, 248000), (89280, 236125), (90000, 234236), (90672, 232500), (93000, 226680), (94450, 223200), (111600, 188900), (113340, 186000), (116250, 181344), (117118, 180000), (120000, 175677), (120896, 174375), (124000, 170010), (136008, 155000), (139500, 151120), (141675, 148800)]