87418380

素因数分解:

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

素因数の和:208158

約数の個数: 48

約数和(自身を含む): 279740160

約数和(自身を除く): 192321780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 208139, 416278, 624417, 832556, 1040695, 1248834, 1456973, 2081390, 2497668, 2913946, 3122085, 4162780, 4370919, 5827892, 6244170, 7284865, 8741838, 12488340, 14569730, 17483676, 21854595, 29139460, 43709190, 87418380]

約数ペア:

[(1, 87418380), (2, 43709190), (3, 29139460), (4, 21854595), (5, 17483676), (6, 14569730), (7, 12488340), (10, 8741838), (12, 7284865), (14, 6244170), (15, 5827892), (20, 4370919), (21, 4162780), (28, 3122085), (30, 2913946), (35, 2497668), (42, 2081390), (60, 1456973), (70, 1248834), (84, 1040695), (105, 832556), (140, 624417), (210, 416278), (420, 208139)]