81056280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{487}}^1$

素因数の和:593

約数の個数: 128

約数和(自身を含む): 260006400

約数和(自身を除く): 178950120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 73, 76, 95, 114, 120, 146, 152, 190, 219, 228, 285, 292, 365, 380, 438, 456, 487, 570, 584, 730, 760, 876, 974, 1095, 1140, 1387, 1460, 1461, 1752, 1948, 2190, 2280, 2435, 2774, 2920, 2922, 3896, 4161, 4380, 4870, 5548, 5844, 6935, 7305, 8322, 8760, 9253, 9740, 11096, 11688, 13870, 14610, 16644, 18506, 19480, 20805, 27740, 27759, 29220, 33288, 35551, 37012, 41610, 46265, 55480, 55518, 58440, 71102, 74024, 83220, 92530, 106653, 111036, 138795, 142204, 166440, 177755, 185060, 213306, 222072, 277590, 284408, 355510, 370120, 426612, 533265, 555180, 675469, 711020, 853224, 1066530, 1110360, 1350938, 1422040, 2026407, 2133060, 2701876, 3377345, 4052814, 4266120, 5403752, 6754690, 8105628, 10132035, 13509380, 16211256, 20264070, 27018760, 40528140, 81056280]

約数ペア:

[(1, 81056280), (2, 40528140), (3, 27018760), (4, 20264070), (5, 16211256), (6, 13509380), (8, 10132035), (10, 8105628), (12, 6754690), (15, 5403752), (19, 4266120), (20, 4052814), (24, 3377345), (30, 2701876), (38, 2133060), (40, 2026407), (57, 1422040), (60, 1350938), (73, 1110360), (76, 1066530), (95, 853224), (114, 711020), (120, 675469), (146, 555180), (152, 533265), (190, 426612), (219, 370120), (228, 355510), (285, 284408), (292, 277590), (365, 222072), (380, 213306), (438, 185060), (456, 177755), (487, 166440), (570, 142204), (584, 138795), (730, 111036), (760, 106653), (876, 92530), (974, 83220), (1095, 74024), (1140, 71102), (1387, 58440), (1460, 55518), (1461, 55480), (1752, 46265), (1948, 41610), (2190, 37012), (2280, 35551), (2435, 33288), (2774, 29220), (2920, 27759), (2922, 27740), (3896, 20805), (4161, 19480), (4380, 18506), (4870, 16644), (5548, 14610), (5844, 13870), (6935, 11688), (7305, 11096), (8322, 9740), (8760, 9253)]