26221860

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{991}}^1$

素因数の和:1023

約数の個数: 144

約数和(自身を含む): 94993920

約数和(自身を除く): 68772060

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, 991, 1260, 1323, 1470, 1764, 1890, 1982, 2205, 2646, 2940, 2973, 3780, 3964, 4410, 4955, 5292, 5946, 6615, 6937, 8820, 8919, 9910, 11892, 13230, 13874, 14865, 17838, 19820, 20811, 26460, 26757, 27748, 29730, 34685, 35676, 41622, 44595, 48559, 53514, 59460, 62433, 69370, 83244, 89190, 97118, 104055, 107028, 124866, 133785, 138740, 145677, 178380, 187299, 194236, 208110, 242795, 249732, 267570, 291354, 312165, 374598, 416220, 437031, 485590, 535140, 582708, 624330, 728385, 749196, 874062, 936495, 971180, 1248660, 1311093, 1456770, 1748124, 1872990, 2185155, 2622186, 2913540, 3745980, 4370310, 5244372, 6555465, 8740620, 13110930, 26221860]

約数ペア:

[(1, 26221860), (2, 13110930), (3, 8740620), (4, 6555465), (5, 5244372), (6, 4370310), (7, 3745980), (9, 2913540), (10, 2622186), (12, 2185155), (14, 1872990), (15, 1748124), (18, 1456770), (20, 1311093), (21, 1248660), (27, 971180), (28, 936495), (30, 874062), (35, 749196), (36, 728385), (42, 624330), (45, 582708), (49, 535140), (54, 485590), (60, 437031), (63, 416220), (70, 374598), (84, 312165), (90, 291354), (98, 267570), (105, 249732), (108, 242795), (126, 208110), (135, 194236), (140, 187299), (147, 178380), (180, 145677), (189, 138740), (196, 133785), (210, 124866), (245, 107028), (252, 104055), (270, 97118), (294, 89190), (315, 83244), (378, 69370), (420, 62433), (441, 59460), (490, 53514), (540, 48559), (588, 44595), (630, 41622), (735, 35676), (756, 34685), (882, 29730), (945, 27748), (980, 26757), (991, 26460), (1260, 20811), (1323, 19820), (1470, 17838), (1764, 14865), (1890, 13874), (1982, 13230), (2205, 11892), (2646, 9910), (2940, 8919), (2973, 8820), (3780, 6937), (3964, 6615), (4410, 5946), (4955, 5292)]