26380620

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{997}}^1$

素因数の和:1029

約数の個数: 144

約数和(自身を含む): 95568480

約数和(自身を除く): 69187860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 980, 997, 1260, 1323, 1470, 1764, 1890, 1994, 2205, 2646, 2940, 2991, 3780, 3988, 4410, 4985, 5292, 5982, 6615, 6979, 8820, 8973, 9970, 11964, 13230, 13958, 14955, 17946, 19940, 20937, 26460, 26919, 27916, 29910, 34895, 35892, 41874, 44865, 48853, 53838, 59820, 62811, 69790, 83748, 89730, 97706, 104685, 107676, 125622, 134595, 139580, 146559, 179460, 188433, 195412, 209370, 244265, 251244, 269190, 293118, 314055, 376866, 418740, 439677, 488530, 538380, 586236, 628110, 732795, 753732, 879354, 942165, 977060, 1256220, 1319031, 1465590, 1758708, 1884330, 2198385, 2638062, 2931180, 3768660, 4396770, 5276124, 6595155, 8793540, 13190310, 26380620]

約数ペア:

[(1, 26380620), (2, 13190310), (3, 8793540), (4, 6595155), (5, 5276124), (6, 4396770), (7, 3768660), (9, 2931180), (10, 2638062), (12, 2198385), (14, 1884330), (15, 1758708), (18, 1465590), (20, 1319031), (21, 1256220), (27, 977060), (28, 942165), (30, 879354), (35, 753732), (36, 732795), (42, 628110), (45, 586236), (49, 538380), (54, 488530), (60, 439677), (63, 418740), (70, 376866), (84, 314055), (90, 293118), (98, 269190), (105, 251244), (108, 244265), (126, 209370), (135, 195412), (140, 188433), (147, 179460), (180, 146559), (189, 139580), (196, 134595), (210, 125622), (245, 107676), (252, 104685), (270, 97706), (294, 89730), (315, 83748), (378, 69790), (420, 62811), (441, 59820), (490, 53838), (540, 48853), (588, 44865), (630, 41874), (735, 35892), (756, 34895), (882, 29910), (945, 27916), (980, 26919), (997, 26460), (1260, 20937), (1323, 19940), (1470, 17946), (1764, 14955), (1890, 13958), (1994, 13230), (2205, 11964), (2646, 9970), (2940, 8973), (2991, 8820), (3780, 6979), (3988, 6615), (4410, 5982), (4985, 5292)]