1868464640

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{821}}^1$

素因数の和:978

約数の個数: 160

約数和(自身を含む): 5166526464

約数和(自身を除く): 3298061824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 127, 128, 140, 160, 224, 254, 256, 280, 320, 448, 508, 512, 560, 635, 640, 821, 889, 896, 1016, 1120, 1270, 1280, 1642, 1778, 1792, 2032, 2240, 2540, 2560, 3284, 3556, 3584, 4064, 4105, 4445, 4480, 5080, 5747, 6568, 7112, 8128, 8210, 8890, 8960, 10160, 11494, 13136, 14224, 16256, 16420, 17780, 17920, 20320, 22988, 26272, 28448, 28735, 32512, 32840, 35560, 40640, 45976, 52544, 56896, 57470, 65024, 65680, 71120, 81280, 91952, 104267, 105088, 113792, 114940, 131360, 142240, 162560, 183904, 208534, 210176, 227584, 229880, 262720, 284480, 325120, 367808, 417068, 420352, 455168, 459760, 521335, 525440, 568960, 729869, 735616, 834136, 919520, 1042670, 1050880, 1137920, 1459738, 1471232, 1668272, 1839040, 2085340, 2101760, 2275840, 2919476, 2942464, 3336544, 3649345, 3678080, 4170680, 5838952, 6673088, 7298690, 7356160, 8341360, 11677904, 13346176, 14597380, 14712320, 16682720, 23355808, 26692352, 29194760, 33365440, 46711616, 53384704, 58389520, 66730880, 93423232, 116779040, 133461760, 186846464, 233558080, 266923520, 373692928, 467116160, 934232320, 1868464640]

約数ペア:

[(1, 1868464640), (2, 934232320), (4, 467116160), (5, 373692928), (7, 266923520), (8, 233558080), (10, 186846464), (14, 133461760), (16, 116779040), (20, 93423232), (28, 66730880), (32, 58389520), (35, 53384704), (40, 46711616), (56, 33365440), (64, 29194760), (70, 26692352), (80, 23355808), (112, 16682720), (127, 14712320), (128, 14597380), (140, 13346176), (160, 11677904), (224, 8341360), (254, 7356160), (256, 7298690), (280, 6673088), (320, 5838952), (448, 4170680), (508, 3678080), (512, 3649345), (560, 3336544), (635, 2942464), (640, 2919476), (821, 2275840), (889, 2101760), (896, 2085340), (1016, 1839040), (1120, 1668272), (1270, 1471232), (1280, 1459738), (1642, 1137920), (1778, 1050880), (1792, 1042670), (2032, 919520), (2240, 834136), (2540, 735616), (2560, 729869), (3284, 568960), (3556, 525440), (3584, 521335), (4064, 459760), (4105, 455168), (4445, 420352), (4480, 417068), (5080, 367808), (5747, 325120), (6568, 284480), (7112, 262720), (8128, 229880), (8210, 227584), (8890, 210176), (8960, 208534), (10160, 183904), (11494, 162560), (13136, 142240), (14224, 131360), (16256, 114940), (16420, 113792), (17780, 105088), (17920, 104267), (20320, 91952), (22988, 81280), (26272, 71120), (28448, 65680), (28735, 65024), (32512, 57470), (32840, 56896), (35560, 52544), (40640, 45976)]