1620807680

素因数分解:

$2^{12}\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2729}}^1$

素因数の和:2787

約数の個数: 104

約数和(自身を含む): 4025057400

約数和(自身を除く): 2404249720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 464, 512, 580, 640, 928, 1024, 1160, 1280, 1856, 2048, 2320, 2560, 2729, 3712, 4096, 4640, 5120, 5458, 7424, 9280, 10240, 10916, 13645, 14848, 18560, 20480, 21832, 27290, 29696, 37120, 43664, 54580, 59392, 74240, 79141, 87328, 109160, 118784, 148480, 158282, 174656, 218320, 296960, 316564, 349312, 395705, 436640, 593920, 633128, 698624, 791410, 873280, 1266256, 1397248, 1582820, 1746560, 2532512, 2794496, 3165640, 3493120, 5065024, 5588992, 6331280, 6986240, 10130048, 11177984, 12662560, 13972480, 20260096, 25325120, 27944960, 40520192, 50650240, 55889920, 81040384, 101300480, 162080768, 202600960, 324161536, 405201920, 810403840, 1620807680]

約数ペア:

[(1, 1620807680), (2, 810403840), (4, 405201920), (5, 324161536), (8, 202600960), (10, 162080768), (16, 101300480), (20, 81040384), (29, 55889920), (32, 50650240), (40, 40520192), (58, 27944960), (64, 25325120), (80, 20260096), (116, 13972480), (128, 12662560), (145, 11177984), (160, 10130048), (232, 6986240), (256, 6331280), (290, 5588992), (320, 5065024), (464, 3493120), (512, 3165640), (580, 2794496), (640, 2532512), (928, 1746560), (1024, 1582820), (1160, 1397248), (1280, 1266256), (1856, 873280), (2048, 791410), (2320, 698624), (2560, 633128), (2729, 593920), (3712, 436640), (4096, 395705), (4640, 349312), (5120, 316564), (5458, 296960), (7424, 218320), (9280, 174656), (10240, 158282), (10916, 148480), (13645, 118784), (14848, 109160), (18560, 87328), (20480, 79141), (21832, 74240), (27290, 59392), (29696, 54580), (37120, 43664)]