81202500

素因数分解:

$2^2\times 3^4\times 5^4\times {\mathrm{401}}^1$

素因数の和:437

約数の個数: 150

約数和(自身を含む): 265925814

約数和(自身を除く): 184723314

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 125, 135, 150, 162, 180, 225, 250, 270, 300, 324, 375, 401, 405, 450, 500, 540, 625, 675, 750, 802, 810, 900, 1125, 1203, 1250, 1350, 1500, 1604, 1620, 1875, 2005, 2025, 2250, 2406, 2500, 2700, 3375, 3609, 3750, 4010, 4050, 4500, 4812, 5625, 6015, 6750, 7218, 7500, 8020, 8100, 10025, 10125, 10827, 11250, 12030, 13500, 14436, 16875, 18045, 20050, 20250, 21654, 22500, 24060, 30075, 32481, 33750, 36090, 40100, 40500, 43308, 50125, 50625, 54135, 60150, 64962, 67500, 72180, 90225, 100250, 101250, 108270, 120300, 129924, 150375, 162405, 180450, 200500, 202500, 216540, 250625, 270675, 300750, 324810, 360900, 451125, 501250, 541350, 601500, 649620, 751875, 812025, 902250, 1002500, 1082700, 1353375, 1503750, 1624050, 1804500, 2255625, 2706750, 3007500, 3248100, 4060125, 4511250, 5413500, 6766875, 8120250, 9022500, 13533750, 16240500, 20300625, 27067500, 40601250, 81202500]

約数ペア:

[(1, 81202500), (2, 40601250), (3, 27067500), (4, 20300625), (5, 16240500), (6, 13533750), (9, 9022500), (10, 8120250), (12, 6766875), (15, 5413500), (18, 4511250), (20, 4060125), (25, 3248100), (27, 3007500), (30, 2706750), (36, 2255625), (45, 1804500), (50, 1624050), (54, 1503750), (60, 1353375), (75, 1082700), (81, 1002500), (90, 902250), (100, 812025), (108, 751875), (125, 649620), (135, 601500), (150, 541350), (162, 501250), (180, 451125), (225, 360900), (250, 324810), (270, 300750), (300, 270675), (324, 250625), (375, 216540), (401, 202500), (405, 200500), (450, 180450), (500, 162405), (540, 150375), (625, 129924), (675, 120300), (750, 108270), (802, 101250), (810, 100250), (900, 90225), (1125, 72180), (1203, 67500), (1250, 64962), (1350, 60150), (1500, 54135), (1604, 50625), (1620, 50125), (1875, 43308), (2005, 40500), (2025, 40100), (2250, 36090), (2406, 33750), (2500, 32481), (2700, 30075), (3375, 24060), (3609, 22500), (3750, 21654), (4010, 20250), (4050, 20050), (4500, 18045), (4812, 16875), (5625, 14436), (6015, 13500), (6750, 12030), (7218, 11250), (7500, 10827), (8020, 10125), (8100, 10025)]