81679500

素因数分解:

$2^2\times 3^2\times 5^3\times 7^1\times {\mathrm{2593}}^1$

素因数の和:2625

約数の個数: 144

約数和(自身を含む): 294595392

約数和(自身を除く): 212915892

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 125, 126, 140, 150, 175, 180, 210, 225, 250, 252, 300, 315, 350, 375, 420, 450, 500, 525, 630, 700, 750, 875, 900, 1050, 1125, 1260, 1500, 1575, 1750, 2100, 2250, 2593, 2625, 3150, 3500, 4500, 5186, 5250, 6300, 7779, 7875, 10372, 10500, 12965, 15558, 15750, 18151, 23337, 25930, 31116, 31500, 36302, 38895, 46674, 51860, 54453, 64825, 72604, 77790, 90755, 93348, 108906, 116685, 129650, 155580, 163359, 181510, 194475, 217812, 233370, 259300, 272265, 324125, 326718, 363020, 388950, 453775, 466740, 544530, 583425, 648250, 653436, 777900, 816795, 907550, 972375, 1089060, 1166850, 1296500, 1361325, 1633590, 1815100, 1944750, 2268875, 2333700, 2722650, 2917125, 3267180, 3889500, 4083975, 4537750, 5445300, 5834250, 6806625, 8167950, 9075500, 11668500, 13613250, 16335900, 20419875, 27226500, 40839750, 81679500]

約数ペア:

[(1, 81679500), (2, 40839750), (3, 27226500), (4, 20419875), (5, 16335900), (6, 13613250), (7, 11668500), (9, 9075500), (10, 8167950), (12, 6806625), (14, 5834250), (15, 5445300), (18, 4537750), (20, 4083975), (21, 3889500), (25, 3267180), (28, 2917125), (30, 2722650), (35, 2333700), (36, 2268875), (42, 1944750), (45, 1815100), (50, 1633590), (60, 1361325), (63, 1296500), (70, 1166850), (75, 1089060), (84, 972375), (90, 907550), (100, 816795), (105, 777900), (125, 653436), (126, 648250), (140, 583425), (150, 544530), (175, 466740), (180, 453775), (210, 388950), (225, 363020), (250, 326718), (252, 324125), (300, 272265), (315, 259300), (350, 233370), (375, 217812), (420, 194475), (450, 181510), (500, 163359), (525, 155580), (630, 129650), (700, 116685), (750, 108906), (875, 93348), (900, 90755), (1050, 77790), (1125, 72604), (1260, 64825), (1500, 54453), (1575, 51860), (1750, 46674), (2100, 38895), (2250, 36302), (2593, 31500), (2625, 31116), (3150, 25930), (3500, 23337), (4500, 18151), (5186, 15750), (5250, 15558), (6300, 12965), (7779, 10500), (7875, 10372)]