788687680

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{20369}}^1$

素因数の和:20408

約数の個数: 84

約数和(自身を含む): 2064418020

約数和(自身を除く): 1275730340

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 160, 176, 220, 242, 320, 352, 440, 484, 605, 704, 880, 968, 1210, 1760, 1936, 2420, 3520, 3872, 4840, 7744, 9680, 19360, 20369, 38720, 40738, 81476, 101845, 162952, 203690, 224059, 325904, 407380, 448118, 651808, 814760, 896236, 1120295, 1303616, 1629520, 1792472, 2240590, 2464649, 3259040, 3584944, 4481180, 4929298, 6518080, 7169888, 8962360, 9858596, 12323245, 14339776, 17924720, 19717192, 24646490, 35849440, 39434384, 49292980, 71698880, 78868768, 98585960, 157737536, 197171920, 394343840, 788687680]

約数ペア:

[(1, 788687680), (2, 394343840), (4, 197171920), (5, 157737536), (8, 98585960), (10, 78868768), (11, 71698880), (16, 49292980), (20, 39434384), (22, 35849440), (32, 24646490), (40, 19717192), (44, 17924720), (55, 14339776), (64, 12323245), (80, 9858596), (88, 8962360), (110, 7169888), (121, 6518080), (160, 4929298), (176, 4481180), (220, 3584944), (242, 3259040), (320, 2464649), (352, 2240590), (440, 1792472), (484, 1629520), (605, 1303616), (704, 1120295), (880, 896236), (968, 814760), (1210, 651808), (1760, 448118), (1936, 407380), (2420, 325904), (3520, 224059), (3872, 203690), (4840, 162952), (7744, 101845), (9680, 81476), (19360, 40738), (20369, 38720)]