81820800

素因数分解:

$2^7\times 3^3\times 5^2\times {\mathrm{947}}^1$

素因数の和:980

約数の個数: 192

約数和(自身を含む): 299757600

約数和(自身を除く): 217936800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 64, 72, 75, 80, 90, 96, 100, 108, 120, 128, 135, 144, 150, 160, 180, 192, 200, 216, 225, 240, 270, 288, 300, 320, 360, 384, 400, 432, 450, 480, 540, 576, 600, 640, 675, 720, 800, 864, 900, 947, 960, 1080, 1152, 1200, 1350, 1440, 1600, 1728, 1800, 1894, 1920, 2160, 2400, 2700, 2841, 2880, 3200, 3456, 3600, 3788, 4320, 4735, 4800, 5400, 5682, 5760, 7200, 7576, 8523, 8640, 9470, 9600, 10800, 11364, 14205, 14400, 15152, 17046, 17280, 18940, 21600, 22728, 23675, 25569, 28410, 28800, 30304, 34092, 37880, 42615, 43200, 45456, 47350, 51138, 56820, 60608, 68184, 71025, 75760, 85230, 86400, 90912, 94700, 102276, 113640, 121216, 127845, 136368, 142050, 151520, 170460, 181824, 189400, 204552, 213075, 227280, 255690, 272736, 284100, 303040, 340920, 363648, 378800, 409104, 426150, 454560, 511380, 545472, 568200, 606080, 639225, 681840, 757600, 818208, 852300, 909120, 1022760, 1090944, 1136400, 1278450, 1363680, 1515200, 1636416, 1704600, 1818240, 2045520, 2272800, 2556900, 2727360, 3030400, 3272832, 3409200, 4091040, 4545600, 5113800, 5454720, 6818400, 8182080, 9091200, 10227600, 13636800, 16364160, 20455200, 27273600, 40910400, 81820800]

約数ペア:

[(1, 81820800), (2, 40910400), (3, 27273600), (4, 20455200), (5, 16364160), (6, 13636800), (8, 10227600), (9, 9091200), (10, 8182080), (12, 6818400), (15, 5454720), (16, 5113800), (18, 4545600), (20, 4091040), (24, 3409200), (25, 3272832), (27, 3030400), (30, 2727360), (32, 2556900), (36, 2272800), (40, 2045520), (45, 1818240), (48, 1704600), (50, 1636416), (54, 1515200), (60, 1363680), (64, 1278450), (72, 1136400), (75, 1090944), (80, 1022760), (90, 909120), (96, 852300), (100, 818208), (108, 757600), (120, 681840), (128, 639225), (135, 606080), (144, 568200), (150, 545472), (160, 511380), (180, 454560), (192, 426150), (200, 409104), (216, 378800), (225, 363648), (240, 340920), (270, 303040), (288, 284100), (300, 272736), (320, 255690), (360, 227280), (384, 213075), (400, 204552), (432, 189400), (450, 181824), (480, 170460), (540, 151520), (576, 142050), (600, 136368), (640, 127845), (675, 121216), (720, 113640), (800, 102276), (864, 94700), (900, 90912), (947, 86400), (960, 85230), (1080, 75760), (1152, 71025), (1200, 68184), (1350, 60608), (1440, 56820), (1600, 51138), (1728, 47350), (1800, 45456), (1894, 43200), (1920, 42615), (2160, 37880), (2400, 34092), (2700, 30304), (2841, 28800), (2880, 28410), (3200, 25569), (3456, 23675), (3600, 22728), (3788, 21600), (4320, 18940), (4735, 17280), (4800, 17046), (5400, 15152), (5682, 14400), (5760, 14205), (7200, 11364), (7576, 10800), (8523, 9600), (8640, 9470)]