61491960

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{18979}}^1$

素因数の和:19002

約数の個数: 80

約数和(自身を含む): 206692200

約数和(自身を除く): 145200240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 18979, 37958, 56937, 75916, 94895, 113874, 151832, 170811, 189790, 227748, 284685, 341622, 379580, 455496, 512433, 569370, 683244, 759160, 854055, 1024866, 1138740, 1366488, 1537299, 1708110, 2049732, 2277480, 2562165, 3074598, 3416220, 4099464, 5124330, 6149196, 6832440, 7686495, 10248660, 12298392, 15372990, 20497320, 30745980, 61491960]

約数ペア:

[(1, 61491960), (2, 30745980), (3, 20497320), (4, 15372990), (5, 12298392), (6, 10248660), (8, 7686495), (9, 6832440), (10, 6149196), (12, 5124330), (15, 4099464), (18, 3416220), (20, 3074598), (24, 2562165), (27, 2277480), (30, 2049732), (36, 1708110), (40, 1537299), (45, 1366488), (54, 1138740), (60, 1024866), (72, 854055), (81, 759160), (90, 683244), (108, 569370), (120, 512433), (135, 455496), (162, 379580), (180, 341622), (216, 284685), (270, 227748), (324, 189790), (360, 170811), (405, 151832), (540, 113874), (648, 94895), (810, 75916), (1080, 56937), (1620, 37958), (3240, 18979)]