1813871120

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{7741}}^1$

素因数の和:7884

約数の個数: 80

約数和(自身を含む): 4406436720

約数和(自身を除く): 2592565600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 101, 116, 145, 202, 232, 290, 404, 464, 505, 580, 808, 1010, 1160, 1616, 2020, 2320, 2929, 4040, 5858, 7741, 8080, 11716, 14645, 15482, 23432, 29290, 30964, 38705, 46864, 58580, 61928, 77410, 117160, 123856, 154820, 224489, 234320, 309640, 448978, 619280, 781841, 897956, 1122445, 1563682, 1795912, 2244890, 3127364, 3591824, 3909205, 4489780, 6254728, 7818410, 8979560, 12509456, 15636820, 17959120, 22673389, 31273640, 45346778, 62547280, 90693556, 113366945, 181387112, 226733890, 362774224, 453467780, 906935560, 1813871120]

約数ペア:

[(1, 1813871120), (2, 906935560), (4, 453467780), (5, 362774224), (8, 226733890), (10, 181387112), (16, 113366945), (20, 90693556), (29, 62547280), (40, 45346778), (58, 31273640), (80, 22673389), (101, 17959120), (116, 15636820), (145, 12509456), (202, 8979560), (232, 7818410), (290, 6254728), (404, 4489780), (464, 3909205), (505, 3591824), (580, 3127364), (808, 2244890), (1010, 1795912), (1160, 1563682), (1616, 1122445), (2020, 897956), (2320, 781841), (2929, 619280), (4040, 448978), (5858, 309640), (7741, 234320), (8080, 224489), (11716, 154820), (14645, 123856), (15482, 117160), (23432, 77410), (29290, 61928), (30964, 58580), (38705, 46864)]