21805393680

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{7577}}^1$

素因数の和:8174

約数の個数: 240

約数和(自身を含む): 83848811904

約数和(自身を除く): 62043418224

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 571, 630, 720, 840, 1008, 1142, 1260, 1680, 1713, 2284, 2520, 2855, 3426, 3997, 4568, 5040, 5139, 5710, 6852, 7577, 7994, 8565, 9136, 10278, 11420, 11991, 13704, 15154, 15988, 17130, 19985, 20556, 22731, 22840, 23982, 25695, 27408, 30308, 31976, 34260, 35973, 37885, 39970, 41112, 45462, 45680, 47964, 51390, 53039, 59955, 60616, 63952, 68193, 68520, 71946, 75770, 79940, 82224, 90924, 95928, 102780, 106078, 113655, 119910, 121232, 136386, 137040, 143892, 151540, 159117, 159880, 179865, 181848, 191856, 205560, 212156, 227310, 239820, 265195, 272772, 287784, 303080, 318234, 319760, 340965, 359730, 363696, 411120, 424312, 454620, 477351, 479640, 530390, 545544, 575568, 606160, 636468, 681930, 719460, 795585, 848624, 909240, 954702, 959280, 1060780, 1091088, 1272936, 1363860, 1438920, 1591170, 1818480, 1909404, 2121560, 2386755, 2545872, 2727720, 2877840, 3182340, 3818808, 4243120, 4326467, 4773510, 5455440, 6364680, 7637616, 8652934, 9547020, 12729360, 12979401, 17305868, 19094040, 21632335, 25958802, 30285269, 34611736, 38188080, 38938203, 43264670, 51917604, 60570538, 64897005, 69223472, 77876406, 86529340, 90855807, 103835208, 121141076, 129794010, 151426345, 155752812, 173058680, 181711614, 194691015, 207670416, 242282152, 259588020, 272567421, 302852690, 311505624, 346117360, 363423228, 389382030, 454279035, 484564304, 519176040, 545134842, 605705380, 623011248, 726846456, 778764060, 908558070, 1038352080, 1090269684, 1211410760, 1362837105, 1453692912, 1557528120, 1817116140, 2180539368, 2422821520, 2725674210, 3115056240, 3634232280, 4361078736, 5451348420, 7268464560, 10902696840, 21805393680]

約数ペア:

[(1, 21805393680), (2, 10902696840), (3, 7268464560), (4, 5451348420), (5, 4361078736), (6, 3634232280), (7, 3115056240), (8, 2725674210), (9, 2422821520), (10, 2180539368), (12, 1817116140), (14, 1557528120), (15, 1453692912), (16, 1362837105), (18, 1211410760), (20, 1090269684), (21, 1038352080), (24, 908558070), (28, 778764060), (30, 726846456), (35, 623011248), (36, 605705380), (40, 545134842), (42, 519176040), (45, 484564304), (48, 454279035), (56, 389382030), (60, 363423228), (63, 346117360), (70, 311505624), (72, 302852690), (80, 272567421), (84, 259588020), (90, 242282152), (105, 207670416), (112, 194691015), (120, 181711614), (126, 173058680), (140, 155752812), (144, 151426345), (168, 129794010), (180, 121141076), (210, 103835208), (240, 90855807), (252, 86529340), (280, 77876406), (315, 69223472), (336, 64897005), (360, 60570538), (420, 51917604), (504, 43264670), (560, 38938203), (571, 38188080), (630, 34611736), (720, 30285269), (840, 25958802), (1008, 21632335), (1142, 19094040), (1260, 17305868), (1680, 12979401), (1713, 12729360), (2284, 9547020), (2520, 8652934), (2855, 7637616), (3426, 6364680), (3997, 5455440), (4568, 4773510), (5040, 4326467), (5139, 4243120), (5710, 3818808), (6852, 3182340), (7577, 2877840), (7994, 2727720), (8565, 2545872), (9136, 2386755), (10278, 2121560), (11420, 1909404), (11991, 1818480), (13704, 1591170), (15154, 1438920), (15988, 1363860), (17130, 1272936), (19985, 1091088), (20556, 1060780), (22731, 959280), (22840, 954702), (23982, 909240), (25695, 848624), (27408, 795585), (30308, 719460), (31976, 681930), (34260, 636468), (35973, 606160), (37885, 575568), (39970, 545544), (41112, 530390), (45462, 479640), (45680, 477351), (47964, 454620), (51390, 424312), (53039, 411120), (59955, 363696), (60616, 359730), (63952, 340965), (68193, 319760), (68520, 318234), (71946, 303080), (75770, 287784), (79940, 272772), (82224, 265195), (90924, 239820), (95928, 227310), (102780, 212156), (106078, 205560), (113655, 191856), (119910, 181848), (121232, 179865), (136386, 159880), (137040, 159117), (143892, 151540)]