64754480

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{16519}}^1$

素因数の和:16546

約数の個数: 60

約数和(自身を含む): 175145040

約数和(自身を除く): 110390560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 16519, 33038, 66076, 82595, 115633, 132152, 165190, 231266, 264304, 330380, 462532, 578165, 660760, 809431, 925064, 1156330, 1321520, 1618862, 1850128, 2312660, 3237724, 4047155, 4625320, 6475448, 8094310, 9250640, 12950896, 16188620, 32377240, 64754480]

約数ペア:

[(1, 64754480), (2, 32377240), (4, 16188620), (5, 12950896), (7, 9250640), (8, 8094310), (10, 6475448), (14, 4625320), (16, 4047155), (20, 3237724), (28, 2312660), (35, 1850128), (40, 1618862), (49, 1321520), (56, 1156330), (70, 925064), (80, 809431), (98, 660760), (112, 578165), (140, 462532), (196, 330380), (245, 264304), (280, 231266), (392, 165190), (490, 132152), (560, 115633), (784, 82595), (980, 66076), (1960, 33038), (3920, 16519)]