81819000

素因数分解:

$2^3\times 3^2\times 5^3\times {\mathrm{9091}}^1$

素因数の和:9118

約数の個数: 96

約数和(自身を含む): 276578640

約数和(自身を除く): 194759640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 125, 150, 180, 200, 225, 250, 300, 360, 375, 450, 500, 600, 750, 900, 1000, 1125, 1500, 1800, 2250, 3000, 4500, 9000, 9091, 18182, 27273, 36364, 45455, 54546, 72728, 81819, 90910, 109092, 136365, 163638, 181820, 218184, 227275, 272730, 327276, 363640, 409095, 454550, 545460, 654552, 681825, 818190, 909100, 1090920, 1136375, 1363650, 1636380, 1818200, 2045475, 2272750, 2727300, 3272760, 3409125, 4090950, 4545500, 5454600, 6818250, 8181900, 9091000, 10227375, 13636500, 16363800, 20454750, 27273000, 40909500, 81819000]

約数ペア:

[(1, 81819000), (2, 40909500), (3, 27273000), (4, 20454750), (5, 16363800), (6, 13636500), (8, 10227375), (9, 9091000), (10, 8181900), (12, 6818250), (15, 5454600), (18, 4545500), (20, 4090950), (24, 3409125), (25, 3272760), (30, 2727300), (36, 2272750), (40, 2045475), (45, 1818200), (50, 1636380), (60, 1363650), (72, 1136375), (75, 1090920), (90, 909100), (100, 818190), (120, 681825), (125, 654552), (150, 545460), (180, 454550), (200, 409095), (225, 363640), (250, 327276), (300, 272730), (360, 227275), (375, 218184), (450, 181820), (500, 163638), (600, 136365), (750, 109092), (900, 90910), (1000, 81819), (1125, 72728), (1500, 54546), (1800, 45455), (2250, 36364), (3000, 27273), (4500, 18182), (9000, 9091)]