172458540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{56359}}^1$

素因数の和:56391

約数の個数: 72

約数和(自身を含む): 553906080

約数和(自身を除く): 381447540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 56359, 112718, 169077, 225436, 281795, 338154, 507231, 563590, 676308, 845385, 958103, 1014462, 1127180, 1690770, 1916206, 2028924, 2536155, 2874309, 3381540, 3832412, 4790515, 5072310, 5748618, 8622927, 9581030, 10144620, 11497236, 14371545, 17245854, 19162060, 28743090, 34491708, 43114635, 57486180, 86229270, 172458540]

約数ペア:

[(1, 172458540), (2, 86229270), (3, 57486180), (4, 43114635), (5, 34491708), (6, 28743090), (9, 19162060), (10, 17245854), (12, 14371545), (15, 11497236), (17, 10144620), (18, 9581030), (20, 8622927), (30, 5748618), (34, 5072310), (36, 4790515), (45, 3832412), (51, 3381540), (60, 2874309), (68, 2536155), (85, 2028924), (90, 1916206), (102, 1690770), (153, 1127180), (170, 1014462), (180, 958103), (204, 845385), (255, 676308), (306, 563590), (340, 507231), (510, 338154), (612, 281795), (765, 225436), (1020, 169077), (1530, 112718), (3060, 56359)]