263661360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{3319}}^1$

素因数の和:3666

約数の個数: 80

約数和(自身を含む): 820066560

約数和(自身を除く): 556405200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 331, 662, 993, 1324, 1655, 1986, 2648, 3310, 3319, 3972, 4965, 5296, 6620, 6638, 7944, 9930, 9957, 13240, 13276, 15888, 16595, 19860, 19914, 26480, 26552, 33190, 39720, 39828, 49785, 53104, 66380, 79440, 79656, 99570, 132760, 159312, 199140, 265520, 398280, 796560, 1098589, 2197178, 3295767, 4394356, 5492945, 6591534, 8788712, 10985890, 13183068, 16478835, 17577424, 21971780, 26366136, 32957670, 43943560, 52732272, 65915340, 87887120, 131830680, 263661360]

約数ペア:

[(1, 263661360), (2, 131830680), (3, 87887120), (4, 65915340), (5, 52732272), (6, 43943560), (8, 32957670), (10, 26366136), (12, 21971780), (15, 17577424), (16, 16478835), (20, 13183068), (24, 10985890), (30, 8788712), (40, 6591534), (48, 5492945), (60, 4394356), (80, 3295767), (120, 2197178), (240, 1098589), (331, 796560), (662, 398280), (993, 265520), (1324, 199140), (1655, 159312), (1986, 132760), (2648, 99570), (3310, 79656), (3319, 79440), (3972, 66380), (4965, 53104), (5296, 49785), (6620, 39828), (6638, 39720), (7944, 33190), (9930, 26552), (9957, 26480), (13240, 19914), (13276, 19860), (15888, 16595)]