20455200

素因数分解:

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

素因数の和:976

約数の個数: 144

約数和(自身を含む): 74057760

約数和(自身を除く): 53602560

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, 72, 75, 80, 90, 96, 100, 108, 120, 135, 144, 150, 160, 180, 200, 216, 225, 240, 270, 288, 300, 360, 400, 432, 450, 480, 540, 600, 675, 720, 800, 864, 900, 947, 1080, 1200, 1350, 1440, 1800, 1894, 2160, 2400, 2700, 2841, 3600, 3788, 4320, 4735, 5400, 5682, 7200, 7576, 8523, 9470, 10800, 11364, 14205, 15152, 17046, 18940, 21600, 22728, 23675, 25569, 28410, 30304, 34092, 37880, 42615, 45456, 47350, 51138, 56820, 68184, 71025, 75760, 85230, 90912, 94700, 102276, 113640, 127845, 136368, 142050, 151520, 170460, 189400, 204552, 213075, 227280, 255690, 272736, 284100, 340920, 378800, 409104, 426150, 454560, 511380, 568200, 639225, 681840, 757600, 818208, 852300, 1022760, 1136400, 1278450, 1363680, 1704600, 2045520, 2272800, 2556900, 3409200, 4091040, 5113800, 6818400, 10227600, 20455200]

約数ペア:

[(1, 20455200), (2, 10227600), (3, 6818400), (4, 5113800), (5, 4091040), (6, 3409200), (8, 2556900), (9, 2272800), (10, 2045520), (12, 1704600), (15, 1363680), (16, 1278450), (18, 1136400), (20, 1022760), (24, 852300), (25, 818208), (27, 757600), (30, 681840), (32, 639225), (36, 568200), (40, 511380), (45, 454560), (48, 426150), (50, 409104), (54, 378800), (60, 340920), (72, 284100), (75, 272736), (80, 255690), (90, 227280), (96, 213075), (100, 204552), (108, 189400), (120, 170460), (135, 151520), (144, 142050), (150, 136368), (160, 127845), (180, 113640), (200, 102276), (216, 94700), (225, 90912), (240, 85230), (270, 75760), (288, 71025), (300, 68184), (360, 56820), (400, 51138), (432, 47350), (450, 45456), (480, 42615), (540, 37880), (600, 34092), (675, 30304), (720, 28410), (800, 25569), (864, 23675), (900, 22728), (947, 21600), (1080, 18940), (1200, 17046), (1350, 15152), (1440, 14205), (1800, 11364), (1894, 10800), (2160, 9470), (2400, 8523), (2700, 7576), (2841, 7200), (3600, 5682), (3788, 5400), (4320, 4735)]