121420120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{178559}}^1$

素因数の和:178587

約数の個数: 32

約数和(自身を含む): 289267200

約数和(自身を除く): 167847080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 178559, 357118, 714236, 892795, 1428472, 1785590, 3035503, 3571180, 6071006, 7142360, 12142012, 15177515, 24284024, 30355030, 60710060, 121420120]

約数ペア:

[(1, 121420120), (2, 60710060), (4, 30355030), (5, 24284024), (8, 15177515), (10, 12142012), (17, 7142360), (20, 6071006), (34, 3571180), (40, 3035503), (68, 1785590), (85, 1428472), (136, 892795), (170, 714236), (340, 357118), (680, 178559)]