64908180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18979}}^1$

素因数の和:19013

約数の個数: 72

約数和(自身を含む): 207261600

約数和(自身を除く): 142353420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 18979, 37958, 56937, 75916, 94895, 113874, 170811, 189790, 227748, 284685, 341622, 360601, 379580, 569370, 683244, 721202, 854055, 1081803, 1138740, 1442404, 1708110, 1803005, 2163606, 3245409, 3416220, 3606010, 4327212, 5409015, 6490818, 7212020, 10818030, 12981636, 16227045, 21636060, 32454090, 64908180]

約数ペア:

[(1, 64908180), (2, 32454090), (3, 21636060), (4, 16227045), (5, 12981636), (6, 10818030), (9, 7212020), (10, 6490818), (12, 5409015), (15, 4327212), (18, 3606010), (19, 3416220), (20, 3245409), (30, 2163606), (36, 1803005), (38, 1708110), (45, 1442404), (57, 1138740), (60, 1081803), (76, 854055), (90, 721202), (95, 683244), (114, 569370), (171, 379580), (180, 360601), (190, 341622), (228, 284685), (285, 227748), (342, 189790), (380, 170811), (570, 113874), (684, 94895), (855, 75916), (1140, 56937), (1710, 37958), (3420, 18979)]