123601520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31531}}^1$

素因数の和:31558

約数の個数: 60

約数和(自身を含む): 334302264

約数和(自身を除く): 210700744

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, 31531, 63062, 126124, 157655, 220717, 252248, 315310, 441434, 504496, 630620, 882868, 1103585, 1261240, 1545019, 1765736, 2207170, 2522480, 3090038, 3531472, 4414340, 6180076, 7725095, 8828680, 12360152, 15450190, 17657360, 24720304, 30900380, 61800760, 123601520]

約数ペア:

[(1, 123601520), (2, 61800760), (4, 30900380), (5, 24720304), (7, 17657360), (8, 15450190), (10, 12360152), (14, 8828680), (16, 7725095), (20, 6180076), (28, 4414340), (35, 3531472), (40, 3090038), (49, 2522480), (56, 2207170), (70, 1765736), (80, 1545019), (98, 1261240), (112, 1103585), (140, 882868), (196, 630620), (245, 504496), (280, 441434), (392, 315310), (490, 252248), (560, 220717), (784, 157655), (980, 126124), (1960, 63062), (3920, 31531)]