81697500

素因数分解:

$2^2\times 3^2\times 5^4\times {\mathrm{3631}}^1$

素因数の和:3661

約数の個数: 90

約数和(自身を含む): 258129872

約数和(自身を除く): 176432372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 625, 750, 900, 1125, 1250, 1500, 1875, 2250, 2500, 3631, 3750, 4500, 5625, 7262, 7500, 10893, 11250, 14524, 18155, 21786, 22500, 32679, 36310, 43572, 54465, 65358, 72620, 90775, 108930, 130716, 163395, 181550, 217860, 272325, 326790, 363100, 453875, 544650, 653580, 816975, 907750, 1089300, 1361625, 1633950, 1815500, 2269375, 2723250, 3267900, 4084875, 4538750, 5446500, 6808125, 8169750, 9077500, 13616250, 16339500, 20424375, 27232500, 40848750, 81697500]

約数ペア:

[(1, 81697500), (2, 40848750), (3, 27232500), (4, 20424375), (5, 16339500), (6, 13616250), (9, 9077500), (10, 8169750), (12, 6808125), (15, 5446500), (18, 4538750), (20, 4084875), (25, 3267900), (30, 2723250), (36, 2269375), (45, 1815500), (50, 1633950), (60, 1361625), (75, 1089300), (90, 907750), (100, 816975), (125, 653580), (150, 544650), (180, 453875), (225, 363100), (250, 326790), (300, 272325), (375, 217860), (450, 181550), (500, 163395), (625, 130716), (750, 108930), (900, 90775), (1125, 72620), (1250, 65358), (1500, 54465), (1875, 43572), (2250, 36310), (2500, 32679), (3631, 22500), (3750, 21786), (4500, 18155), (5625, 14524), (7262, 11250), (7500, 10893)]