64131200

素因数分解:

$2^7\times 5^2\times 7^2\times {\mathrm{409}}^1$

素因数の和:447

約数の個数: 144

約数和(自身を含む): 184739850

約数和(自身を除く): 120608650

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 128, 140, 160, 175, 196, 200, 224, 245, 280, 320, 350, 392, 400, 409, 448, 490, 560, 640, 700, 784, 800, 818, 896, 980, 1120, 1225, 1400, 1568, 1600, 1636, 1960, 2045, 2240, 2450, 2800, 2863, 3136, 3200, 3272, 3920, 4090, 4480, 4900, 5600, 5726, 6272, 6544, 7840, 8180, 9800, 10225, 11200, 11452, 13088, 14315, 15680, 16360, 19600, 20041, 20450, 22400, 22904, 26176, 28630, 31360, 32720, 39200, 40082, 40900, 45808, 52352, 57260, 65440, 71575, 78400, 80164, 81800, 91616, 100205, 114520, 130880, 143150, 156800, 160328, 163600, 183232, 200410, 229040, 261760, 286300, 320656, 327200, 366464, 400820, 458080, 501025, 572600, 641312, 654400, 801640, 916160, 1002050, 1145200, 1282624, 1308800, 1603280, 1832320, 2004100, 2290400, 2565248, 3206560, 4008200, 4580800, 6413120, 8016400, 9161600, 12826240, 16032800, 32065600, 64131200]

約数ペア:

[(1, 64131200), (2, 32065600), (4, 16032800), (5, 12826240), (7, 9161600), (8, 8016400), (10, 6413120), (14, 4580800), (16, 4008200), (20, 3206560), (25, 2565248), (28, 2290400), (32, 2004100), (35, 1832320), (40, 1603280), (49, 1308800), (50, 1282624), (56, 1145200), (64, 1002050), (70, 916160), (80, 801640), (98, 654400), (100, 641312), (112, 572600), (128, 501025), (140, 458080), (160, 400820), (175, 366464), (196, 327200), (200, 320656), (224, 286300), (245, 261760), (280, 229040), (320, 200410), (350, 183232), (392, 163600), (400, 160328), (409, 156800), (448, 143150), (490, 130880), (560, 114520), (640, 100205), (700, 91616), (784, 81800), (800, 80164), (818, 78400), (896, 71575), (980, 65440), (1120, 57260), (1225, 52352), (1400, 45808), (1568, 40900), (1600, 40082), (1636, 39200), (1960, 32720), (2045, 31360), (2240, 28630), (2450, 26176), (2800, 22904), (2863, 22400), (3136, 20450), (3200, 20041), (3272, 19600), (3920, 16360), (4090, 15680), (4480, 14315), (4900, 13088), (5600, 11452), (5726, 11200), (6272, 10225), (6544, 9800), (7840, 8180)]