18916250400

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{61099}}^1$

素因数の和:61168

約数の個数: 216

約数和(自身を含む): 68255787600

約数和(自身を除く): 49339537200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 43, 45, 48, 50, 60, 72, 75, 80, 86, 90, 96, 100, 120, 129, 144, 150, 160, 172, 180, 200, 215, 225, 240, 258, 288, 300, 344, 360, 387, 400, 430, 450, 480, 516, 600, 645, 688, 720, 774, 800, 860, 900, 1032, 1075, 1200, 1290, 1376, 1440, 1548, 1720, 1800, 1935, 2064, 2150, 2400, 2580, 3096, 3225, 3440, 3600, 3870, 4128, 4300, 5160, 6192, 6450, 6880, 7200, 7740, 8600, 9675, 10320, 12384, 12900, 15480, 17200, 19350, 20640, 25800, 30960, 34400, 38700, 51600, 61099, 61920, 77400, 103200, 122198, 154800, 183297, 244396, 305495, 309600, 366594, 488792, 549891, 610990, 733188, 916485, 977584, 1099782, 1221980, 1466376, 1527475, 1832970, 1955168, 2199564, 2443960, 2627257, 2749455, 2932752, 3054950, 3665940, 4399128, 4582425, 4887920, 5254514, 5498910, 5865504, 6109900, 7331880, 7881771, 8798256, 9164850, 9775840, 10509028, 10997820, 12219800, 13136285, 13747275, 14663760, 15763542, 17596512, 18329700, 21018056, 21995640, 23645313, 24439600, 26272570, 27494550, 29327520, 31527084, 36659400, 39408855, 42036112, 43991280, 47290626, 48879200, 52545140, 54989100, 63054168, 65681425, 73318800, 78817710, 84072224, 87982560, 94581252, 105090280, 109978200, 118226565, 126108336, 131362850, 146637600, 157635420, 189162504, 197044275, 210180560, 219956400, 236453130, 252216672, 262725700, 315270840, 378325008, 394088550, 420361120, 439912800, 472906260, 525451400, 591132825, 630541680, 756650016, 788177100, 945812520, 1050902800, 1182265650, 1261083360, 1576354200, 1891625040, 2101805600, 2364531300, 3152708400, 3783250080, 4729062600, 6305416800, 9458125200, 18916250400]

約数ペア:

[(1, 18916250400), (2, 9458125200), (3, 6305416800), (4, 4729062600), (5, 3783250080), (6, 3152708400), (8, 2364531300), (9, 2101805600), (10, 1891625040), (12, 1576354200), (15, 1261083360), (16, 1182265650), (18, 1050902800), (20, 945812520), (24, 788177100), (25, 756650016), (30, 630541680), (32, 591132825), (36, 525451400), (40, 472906260), (43, 439912800), (45, 420361120), (48, 394088550), (50, 378325008), (60, 315270840), (72, 262725700), (75, 252216672), (80, 236453130), (86, 219956400), (90, 210180560), (96, 197044275), (100, 189162504), (120, 157635420), (129, 146637600), (144, 131362850), (150, 126108336), (160, 118226565), (172, 109978200), (180, 105090280), (200, 94581252), (215, 87982560), (225, 84072224), (240, 78817710), (258, 73318800), (288, 65681425), (300, 63054168), (344, 54989100), (360, 52545140), (387, 48879200), (400, 47290626), (430, 43991280), (450, 42036112), (480, 39408855), (516, 36659400), (600, 31527084), (645, 29327520), (688, 27494550), (720, 26272570), (774, 24439600), (800, 23645313), (860, 21995640), (900, 21018056), (1032, 18329700), (1075, 17596512), (1200, 15763542), (1290, 14663760), (1376, 13747275), (1440, 13136285), (1548, 12219800), (1720, 10997820), (1800, 10509028), (1935, 9775840), (2064, 9164850), (2150, 8798256), (2400, 7881771), (2580, 7331880), (3096, 6109900), (3225, 5865504), (3440, 5498910), (3600, 5254514), (3870, 4887920), (4128, 4582425), (4300, 4399128), (5160, 3665940), (6192, 3054950), (6450, 2932752), (6880, 2749455), (7200, 2627257), (7740, 2443960), (8600, 2199564), (9675, 1955168), (10320, 1832970), (12384, 1527475), (12900, 1466376), (15480, 1221980), (17200, 1099782), (19350, 977584), (20640, 916485), (25800, 733188), (30960, 610990), (34400, 549891), (38700, 488792), (51600, 366594), (61099, 309600), (61920, 305495), (77400, 244396), (103200, 183297), (122198, 154800)]