6628720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:135

約数の個数: 120

約数和(自身を含む): 19083600

約数和(自身を除く): 12454880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 80, 89, 95, 98, 112, 133, 140, 152, 178, 190, 196, 245, 266, 280, 304, 356, 380, 392, 445, 490, 532, 560, 623, 665, 712, 760, 784, 890, 931, 980, 1064, 1246, 1330, 1424, 1520, 1691, 1780, 1862, 1960, 2128, 2492, 2660, 3115, 3382, 3560, 3724, 3920, 4361, 4655, 4984, 5320, 6230, 6764, 7120, 7448, 8455, 8722, 9310, 9968, 10640, 11837, 12460, 13528, 14896, 16910, 17444, 18620, 21805, 23674, 24920, 27056, 33820, 34888, 37240, 43610, 47348, 49840, 59185, 67640, 69776, 74480, 82859, 87220, 94696, 118370, 135280, 165718, 174440, 189392, 236740, 331436, 348880, 414295, 473480, 662872, 828590, 946960, 1325744, 1657180, 3314360, 6628720]

約数ペア:

[(1, 6628720), (2, 3314360), (4, 1657180), (5, 1325744), (7, 946960), (8, 828590), (10, 662872), (14, 473480), (16, 414295), (19, 348880), (20, 331436), (28, 236740), (35, 189392), (38, 174440), (40, 165718), (49, 135280), (56, 118370), (70, 94696), (76, 87220), (80, 82859), (89, 74480), (95, 69776), (98, 67640), (112, 59185), (133, 49840), (140, 47348), (152, 43610), (178, 37240), (190, 34888), (196, 33820), (245, 27056), (266, 24920), (280, 23674), (304, 21805), (356, 18620), (380, 17444), (392, 16910), (445, 14896), (490, 13528), (532, 12460), (560, 11837), (623, 10640), (665, 9968), (712, 9310), (760, 8722), (784, 8455), (890, 7448), (931, 7120), (980, 6764), (1064, 6230), (1246, 5320), (1330, 4984), (1424, 4655), (1520, 4361), (1691, 3920), (1780, 3724), (1862, 3560), (1960, 3382), (2128, 3115), (2492, 2660)]