262255140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{208139}}^1$

素因数の和:208161

約数の個数: 72

約数和(自身を含む): 909155520

約数和(自身を除く): 646900380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 208139, 416278, 624417, 832556, 1040695, 1248834, 1456973, 1873251, 2081390, 2497668, 2913946, 3122085, 3746502, 4162780, 4370919, 5827892, 6244170, 7284865, 7493004, 8741838, 9366255, 12488340, 13112757, 14569730, 17483676, 18732510, 21854595, 26225514, 29139460, 37465020, 43709190, 52451028, 65563785, 87418380, 131127570, 262255140]

約数ペア:

[(1, 262255140), (2, 131127570), (3, 87418380), (4, 65563785), (5, 52451028), (6, 43709190), (7, 37465020), (9, 29139460), (10, 26225514), (12, 21854595), (14, 18732510), (15, 17483676), (18, 14569730), (20, 13112757), (21, 12488340), (28, 9366255), (30, 8741838), (35, 7493004), (36, 7284865), (42, 6244170), (45, 5827892), (60, 4370919), (63, 4162780), (70, 3746502), (84, 3122085), (90, 2913946), (105, 2497668), (126, 2081390), (140, 1873251), (180, 1456973), (210, 1248834), (252, 1040695), (315, 832556), (420, 624417), (630, 416278), (1260, 208139)]