20987510400

素因数分解:

$2^7\times 3^3\times 5^2\times {\mathrm{242911}}^1$

素因数の和:242944

約数の個数: 192

約数和(自身を含む): 76808774400

約数和(自身を除く): 55821264000

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, 960, 1080, 1152, 1200, 1350, 1440, 1600, 1728, 1800, 1920, 2160, 2400, 2700, 2880, 3200, 3456, 3600, 4320, 4800, 5400, 5760, 7200, 8640, 9600, 10800, 14400, 17280, 21600, 28800, 43200, 86400, 242911, 485822, 728733, 971644, 1214555, 1457466, 1943288, 2186199, 2429110, 2914932, 3643665, 3886576, 4372398, 4858220, 5829864, 6072775, 6558597, 7287330, 7773152, 8744796, 9716440, 10930995, 11659728, 12145550, 13117194, 14574660, 15546304, 17489592, 18218325, 19432880, 21861990, 23319456, 24291100, 26234388, 29149320, 31092608, 32792985, 34979184, 36436650, 38865760, 43723980, 46638912, 48582200, 52468776, 54654975, 58298640, 65585970, 69958368, 72873300, 77731520, 87447960, 93277824, 97164400, 104937552, 109309950, 116597280, 131171940, 139916736, 145746600, 155463040, 163964925, 174895920, 194328800, 209875104, 218619900, 233194560, 262343880, 279833472, 291493200, 327929850, 349791840, 388657600, 419750208, 437239800, 466389120, 524687760, 582986400, 655859700, 699583680, 777315200, 839500416, 874479600, 1049375520, 1165972800, 1311719400, 1399167360, 1748959200, 2098751040, 2331945600, 2623438800, 3497918400, 4197502080, 5246877600, 6995836800, 10493755200, 20987510400]

約数ペア:

[(1, 20987510400), (2, 10493755200), (3, 6995836800), (4, 5246877600), (5, 4197502080), (6, 3497918400), (8, 2623438800), (9, 2331945600), (10, 2098751040), (12, 1748959200), (15, 1399167360), (16, 1311719400), (18, 1165972800), (20, 1049375520), (24, 874479600), (25, 839500416), (27, 777315200), (30, 699583680), (32, 655859700), (36, 582986400), (40, 524687760), (45, 466389120), (48, 437239800), (50, 419750208), (54, 388657600), (60, 349791840), (64, 327929850), (72, 291493200), (75, 279833472), (80, 262343880), (90, 233194560), (96, 218619900), (100, 209875104), (108, 194328800), (120, 174895920), (128, 163964925), (135, 155463040), (144, 145746600), (150, 139916736), (160, 131171940), (180, 116597280), (192, 109309950), (200, 104937552), (216, 97164400), (225, 93277824), (240, 87447960), (270, 77731520), (288, 72873300), (300, 69958368), (320, 65585970), (360, 58298640), (384, 54654975), (400, 52468776), (432, 48582200), (450, 46638912), (480, 43723980), (540, 38865760), (576, 36436650), (600, 34979184), (640, 32792985), (675, 31092608), (720, 29149320), (800, 26234388), (864, 24291100), (900, 23319456), (960, 21861990), (1080, 19432880), (1152, 18218325), (1200, 17489592), (1350, 15546304), (1440, 14574660), (1600, 13117194), (1728, 12145550), (1800, 11659728), (1920, 10930995), (2160, 9716440), (2400, 8744796), (2700, 7773152), (2880, 7287330), (3200, 6558597), (3456, 6072775), (3600, 5829864), (4320, 4858220), (4800, 4372398), (5400, 3886576), (5760, 3643665), (7200, 2914932), (8640, 2429110), (9600, 2186199), (10800, 1943288), (14400, 1457466), (17280, 1214555), (21600, 971644), (28800, 728733), (43200, 485822), (86400, 242911)]