861188400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{1721}}^1$

素因数の和:1884

約数の個数: 180

約数和(自身を含む): 3011812440

約数和(自身を除く): 2150624040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 139, 144, 150, 180, 200, 225, 240, 278, 300, 360, 400, 417, 450, 556, 600, 695, 720, 834, 900, 1112, 1200, 1251, 1390, 1668, 1721, 1800, 2085, 2224, 2502, 2780, 3336, 3442, 3475, 3600, 4170, 5004, 5163, 5560, 6255, 6672, 6884, 6950, 8340, 8605, 10008, 10326, 10425, 11120, 12510, 13768, 13900, 15489, 16680, 17210, 20016, 20652, 20850, 25020, 25815, 27536, 27800, 30978, 31275, 33360, 34420, 41304, 41700, 43025, 50040, 51630, 55600, 61956, 62550, 68840, 77445, 82608, 83400, 86050, 100080, 103260, 123912, 125100, 129075, 137680, 154890, 166800, 172100, 206520, 239219, 247824, 250200, 258150, 309780, 344200, 387225, 413040, 478438, 500400, 516300, 619560, 688400, 717657, 774450, 956876, 1032600, 1196095, 1239120, 1435314, 1548900, 1913752, 2065200, 2152971, 2392190, 2870628, 3097800, 3588285, 3827504, 4305942, 4784380, 5741256, 5980475, 6195600, 7176570, 8611884, 9568760, 10764855, 11482512, 11960950, 14353140, 17223768, 17941425, 19137520, 21529710, 23921900, 28706280, 34447536, 35882850, 43059420, 47843800, 53824275, 57412560, 71765700, 86118840, 95687600, 107648550, 143531400, 172237680, 215297100, 287062800, 430594200, 861188400]

約数ペア:

[(1, 861188400), (2, 430594200), (3, 287062800), (4, 215297100), (5, 172237680), (6, 143531400), (8, 107648550), (9, 95687600), (10, 86118840), (12, 71765700), (15, 57412560), (16, 53824275), (18, 47843800), (20, 43059420), (24, 35882850), (25, 34447536), (30, 28706280), (36, 23921900), (40, 21529710), (45, 19137520), (48, 17941425), (50, 17223768), (60, 14353140), (72, 11960950), (75, 11482512), (80, 10764855), (90, 9568760), (100, 8611884), (120, 7176570), (139, 6195600), (144, 5980475), (150, 5741256), (180, 4784380), (200, 4305942), (225, 3827504), (240, 3588285), (278, 3097800), (300, 2870628), (360, 2392190), (400, 2152971), (417, 2065200), (450, 1913752), (556, 1548900), (600, 1435314), (695, 1239120), (720, 1196095), (834, 1032600), (900, 956876), (1112, 774450), (1200, 717657), (1251, 688400), (1390, 619560), (1668, 516300), (1721, 500400), (1800, 478438), (2085, 413040), (2224, 387225), (2502, 344200), (2780, 309780), (3336, 258150), (3442, 250200), (3475, 247824), (3600, 239219), (4170, 206520), (5004, 172100), (5163, 166800), (5560, 154890), (6255, 137680), (6672, 129075), (6884, 125100), (6950, 123912), (8340, 103260), (8605, 100080), (10008, 86050), (10326, 83400), (10425, 82608), (11120, 77445), (12510, 68840), (13768, 62550), (13900, 61956), (15489, 55600), (16680, 51630), (17210, 50040), (20016, 43025), (20652, 41700), (20850, 41304), (25020, 34420), (25815, 33360), (27536, 31275), (27800, 30978)]