1568191720

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{9721}}^1$

素因数の和:9878

約数の個数: 64

約数和(自身を含む): 3657416400

約数和(自身を除く): 2089224680

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 109, 148, 185, 218, 296, 370, 436, 545, 740, 872, 1090, 1480, 2180, 4033, 4360, 8066, 9721, 16132, 19442, 20165, 32264, 38884, 40330, 48605, 77768, 80660, 97210, 161320, 194420, 359677, 388840, 719354, 1059589, 1438708, 1798385, 2119178, 2877416, 3596770, 4238356, 5297945, 7193540, 8476712, 10595890, 14387080, 21191780, 39204793, 42383560, 78409586, 156819172, 196023965, 313638344, 392047930, 784095860, 1568191720]

約数ペア:

[(1, 1568191720), (2, 784095860), (4, 392047930), (5, 313638344), (8, 196023965), (10, 156819172), (20, 78409586), (37, 42383560), (40, 39204793), (74, 21191780), (109, 14387080), (148, 10595890), (185, 8476712), (218, 7193540), (296, 5297945), (370, 4238356), (436, 3596770), (545, 2877416), (740, 2119178), (872, 1798385), (1090, 1438708), (1480, 1059589), (2180, 719354), (4033, 388840), (4360, 359677), (8066, 194420), (9721, 161320), (16132, 97210), (19442, 80660), (20165, 77768), (32264, 48605), (38884, 40330)]