18680640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:121

約数の個数: 224

約数和(自身を含む): 68031360

約数和(自身を除く): 49350720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 29, 30, 32, 33, 40, 44, 48, 55, 58, 60, 61, 64, 66, 80, 87, 88, 96, 110, 116, 120, 122, 132, 145, 160, 165, 174, 176, 183, 192, 220, 232, 240, 244, 264, 290, 305, 319, 320, 330, 348, 352, 366, 435, 440, 464, 480, 488, 528, 580, 610, 638, 660, 671, 696, 704, 732, 870, 880, 915, 928, 957, 960, 976, 1056, 1160, 1220, 1276, 1320, 1342, 1392, 1464, 1595, 1740, 1760, 1769, 1830, 1856, 1914, 1952, 2013, 2112, 2320, 2440, 2552, 2640, 2684, 2784, 2928, 3190, 3355, 3480, 3520, 3538, 3660, 3828, 3904, 4026, 4640, 4785, 4880, 5104, 5280, 5307, 5368, 5568, 5856, 6380, 6710, 6960, 7076, 7320, 7656, 8052, 8845, 9280, 9570, 9760, 10065, 10208, 10560, 10614, 10736, 11712, 12760, 13420, 13920, 14152, 14640, 15312, 16104, 17690, 19140, 19459, 19520, 20130, 20416, 21228, 21472, 25520, 26535, 26840, 27840, 28304, 29280, 30624, 32208, 35380, 38280, 38918, 40260, 42456, 42944, 51040, 53070, 53680, 56608, 58377, 58560, 61248, 64416, 70760, 76560, 77836, 80520, 84912, 97295, 102080, 106140, 107360, 113216, 116754, 128832, 141520, 153120, 155672, 161040, 169824, 194590, 212280, 214720, 233508, 283040, 291885, 306240, 311344, 322080, 339648, 389180, 424560, 467016, 566080, 583770, 622688, 644160, 778360, 849120, 934032, 1167540, 1245376, 1556720, 1698240, 1868064, 2335080, 3113440, 3736128, 4670160, 6226880, 9340320, 18680640]

約数ペア:

[(1, 18680640), (2, 9340320), (3, 6226880), (4, 4670160), (5, 3736128), (6, 3113440), (8, 2335080), (10, 1868064), (11, 1698240), (12, 1556720), (15, 1245376), (16, 1167540), (20, 934032), (22, 849120), (24, 778360), (29, 644160), (30, 622688), (32, 583770), (33, 566080), (40, 467016), (44, 424560), (48, 389180), (55, 339648), (58, 322080), (60, 311344), (61, 306240), (64, 291885), (66, 283040), (80, 233508), (87, 214720), (88, 212280), (96, 194590), (110, 169824), (116, 161040), (120, 155672), (122, 153120), (132, 141520), (145, 128832), (160, 116754), (165, 113216), (174, 107360), (176, 106140), (183, 102080), (192, 97295), (220, 84912), (232, 80520), (240, 77836), (244, 76560), (264, 70760), (290, 64416), (305, 61248), (319, 58560), (320, 58377), (330, 56608), (348, 53680), (352, 53070), (366, 51040), (435, 42944), (440, 42456), (464, 40260), (480, 38918), (488, 38280), (528, 35380), (580, 32208), (610, 30624), (638, 29280), (660, 28304), (671, 27840), (696, 26840), (704, 26535), (732, 25520), (870, 21472), (880, 21228), (915, 20416), (928, 20130), (957, 19520), (960, 19459), (976, 19140), (1056, 17690), (1160, 16104), (1220, 15312), (1276, 14640), (1320, 14152), (1342, 13920), (1392, 13420), (1464, 12760), (1595, 11712), (1740, 10736), (1760, 10614), (1769, 10560), (1830, 10208), (1856, 10065), (1914, 9760), (1952, 9570), (2013, 9280), (2112, 8845), (2320, 8052), (2440, 7656), (2552, 7320), (2640, 7076), (2684, 6960), (2784, 6710), (2928, 6380), (3190, 5856), (3355, 5568), (3480, 5368), (3520, 5307), (3538, 5280), (3660, 5104), (3828, 4880), (3904, 4785), (4026, 4640)]