656989296

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31321}}^1$

素因数の和:31374

約数の個数: 80

約数和(自身を含む): 1864285440

約数和(自身を除く): 1207296144

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 23, 24, 38, 46, 48, 57, 69, 76, 92, 114, 138, 152, 184, 228, 276, 304, 368, 437, 456, 552, 874, 912, 1104, 1311, 1748, 2622, 3496, 5244, 6992, 10488, 20976, 31321, 62642, 93963, 125284, 187926, 250568, 375852, 501136, 595099, 720383, 751704, 1190198, 1440766, 1503408, 1785297, 2161149, 2380396, 2881532, 3570594, 4322298, 4760792, 5763064, 7141188, 8644596, 9521584, 11526128, 13687277, 14282376, 17289192, 27374554, 28564752, 34578384, 41061831, 54749108, 82123662, 109498216, 164247324, 218996432, 328494648, 656989296]

約数ペア:

[(1, 656989296), (2, 328494648), (3, 218996432), (4, 164247324), (6, 109498216), (8, 82123662), (12, 54749108), (16, 41061831), (19, 34578384), (23, 28564752), (24, 27374554), (38, 17289192), (46, 14282376), (48, 13687277), (57, 11526128), (69, 9521584), (76, 8644596), (92, 7141188), (114, 5763064), (138, 4760792), (152, 4322298), (184, 3570594), (228, 2881532), (276, 2380396), (304, 2161149), (368, 1785297), (437, 1503408), (456, 1440766), (552, 1190198), (874, 751704), (912, 720383), (1104, 595099), (1311, 501136), (1748, 375852), (2622, 250568), (3496, 187926), (5244, 125284), (6992, 93963), (10488, 62642), (20976, 31321)]