1222695040

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:467

約数の個数: 192

約数和(自身を含む): 3438167040

約数和(自身を除く): 2215472000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 127, 128, 140, 160, 196, 224, 245, 254, 280, 307, 320, 392, 448, 490, 508, 560, 614, 635, 640, 784, 889, 896, 980, 1016, 1120, 1228, 1270, 1535, 1568, 1778, 1960, 2032, 2149, 2240, 2456, 2540, 3070, 3136, 3556, 3920, 4064, 4298, 4445, 4480, 4912, 5080, 6140, 6223, 6272, 7112, 7840, 8128, 8596, 8890, 9824, 10160, 10745, 12280, 12446, 14224, 15043, 15680, 16256, 17192, 17780, 19648, 20320, 21490, 24560, 24892, 28448, 30086, 31115, 31360, 34384, 35560, 38989, 39296, 40640, 42980, 49120, 49784, 56896, 60172, 62230, 68768, 71120, 75215, 77978, 81280, 85960, 98240, 99568, 113792, 120344, 124460, 137536, 142240, 150430, 155956, 171920, 194945, 196480, 199136, 240688, 248920, 272923, 275072, 284480, 300860, 311912, 343840, 389890, 398272, 481376, 497840, 545846, 568960, 601720, 623824, 687680, 779780, 796544, 962752, 995680, 1091692, 1203440, 1247648, 1364615, 1375360, 1559560, 1910461, 1925504, 1991360, 2183384, 2406880, 2495296, 2729230, 3119120, 3820922, 3982720, 4366768, 4813760, 4990592, 5458460, 6238240, 7641844, 8733536, 9552305, 9627520, 10916920, 12476480, 15283688, 17467072, 19104610, 21833840, 24952960, 30567376, 34934144, 38209220, 43667680, 61134752, 76418440, 87335360, 122269504, 152836880, 174670720, 244539008, 305673760, 611347520, 1222695040]

約数ペア:

[(1, 1222695040), (2, 611347520), (4, 305673760), (5, 244539008), (7, 174670720), (8, 152836880), (10, 122269504), (14, 87335360), (16, 76418440), (20, 61134752), (28, 43667680), (32, 38209220), (35, 34934144), (40, 30567376), (49, 24952960), (56, 21833840), (64, 19104610), (70, 17467072), (80, 15283688), (98, 12476480), (112, 10916920), (127, 9627520), (128, 9552305), (140, 8733536), (160, 7641844), (196, 6238240), (224, 5458460), (245, 4990592), (254, 4813760), (280, 4366768), (307, 3982720), (320, 3820922), (392, 3119120), (448, 2729230), (490, 2495296), (508, 2406880), (560, 2183384), (614, 1991360), (635, 1925504), (640, 1910461), (784, 1559560), (889, 1375360), (896, 1364615), (980, 1247648), (1016, 1203440), (1120, 1091692), (1228, 995680), (1270, 962752), (1535, 796544), (1568, 779780), (1778, 687680), (1960, 623824), (2032, 601720), (2149, 568960), (2240, 545846), (2456, 497840), (2540, 481376), (3070, 398272), (3136, 389890), (3556, 343840), (3920, 311912), (4064, 300860), (4298, 284480), (4445, 275072), (4480, 272923), (4912, 248920), (5080, 240688), (6140, 199136), (6223, 196480), (6272, 194945), (7112, 171920), (7840, 155956), (8128, 150430), (8596, 142240), (8890, 137536), (9824, 124460), (10160, 120344), (10745, 113792), (12280, 99568), (12446, 98240), (14224, 85960), (15043, 81280), (15680, 77978), (16256, 75215), (17192, 71120), (17780, 68768), (19648, 62230), (20320, 60172), (21490, 56896), (24560, 49784), (24892, 49120), (28448, 42980), (30086, 40640), (31115, 39296), (31360, 38989), (34384, 35560)]