81144720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{37567}}^1$

素因数の和:37589

約数の個数: 80

約数和(自身を含む): 279505920

約数和(自身を除く): 198361200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 37567, 75134, 112701, 150268, 187835, 225402, 300536, 338103, 375670, 450804, 563505, 601072, 676206, 751340, 901608, 1014309, 1127010, 1352412, 1502680, 1690515, 1803216, 2028618, 2254020, 2704824, 3005360, 3381030, 4057236, 4508040, 5071545, 5409648, 6762060, 8114472, 9016080, 10143090, 13524120, 16228944, 20286180, 27048240, 40572360, 81144720]

約数ペア:

[(1, 81144720), (2, 40572360), (3, 27048240), (4, 20286180), (5, 16228944), (6, 13524120), (8, 10143090), (9, 9016080), (10, 8114472), (12, 6762060), (15, 5409648), (16, 5071545), (18, 4508040), (20, 4057236), (24, 3381030), (27, 3005360), (30, 2704824), (36, 2254020), (40, 2028618), (45, 1803216), (48, 1690515), (54, 1502680), (60, 1352412), (72, 1127010), (80, 1014309), (90, 901608), (108, 751340), (120, 676206), (135, 601072), (144, 563505), (180, 450804), (216, 375670), (240, 338103), (270, 300536), (360, 225402), (432, 187835), (540, 150268), (720, 112701), (1080, 75134), (2160, 37567)]