127790960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7643}}^1$

素因数の和:7686

約数の個数: 80

約数和(自身を含む): 341228160

約数和(自身を除く): 213437200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 7643, 8360, 15286, 16720, 30572, 38215, 61144, 76430, 84073, 122288, 145217, 152860, 168146, 290434, 305720, 336292, 420365, 580868, 611440, 672584, 726085, 840730, 1161736, 1345168, 1452170, 1597387, 1681460, 2323472, 2904340, 3194774, 3362920, 5808680, 6389548, 6725840, 7986935, 11617360, 12779096, 15973870, 25558192, 31947740, 63895480, 127790960]

約数ペア:

[(1, 127790960), (2, 63895480), (4, 31947740), (5, 25558192), (8, 15973870), (10, 12779096), (11, 11617360), (16, 7986935), (19, 6725840), (20, 6389548), (22, 5808680), (38, 3362920), (40, 3194774), (44, 2904340), (55, 2323472), (76, 1681460), (80, 1597387), (88, 1452170), (95, 1345168), (110, 1161736), (152, 840730), (176, 726085), (190, 672584), (209, 611440), (220, 580868), (304, 420365), (380, 336292), (418, 305720), (440, 290434), (760, 168146), (836, 152860), (880, 145217), (1045, 122288), (1520, 84073), (1672, 76430), (2090, 61144), (3344, 38215), (4180, 30572), (7643, 16720), (8360, 15286)]