157020655

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:244

約数の個数: 64

約数和(自身を含む): 232243200

約数和(自身を除く): 75222545

約数列:

[1, 5, 11, 19, 23, 47, 55, 95, 115, 139, 209, 235, 253, 437, 517, 695, 893, 1045, 1081, 1265, 1529, 2185, 2585, 2641, 3197, 4465, 4807, 5405, 6533, 7645, 9823, 11891, 13205, 15985, 20539, 24035, 29051, 32665, 35167, 49115, 59455, 60743, 71863, 102695, 124127, 145255, 150259, 175835, 225929, 303715, 359315, 620635, 668173, 751295, 1129645, 1365397, 1652849, 2854921, 3340865, 6826985, 8264245, 14274605, 31404131, 157020655]

約数ペア:

[(1, 157020655), (5, 31404131), (11, 14274605), (19, 8264245), (23, 6826985), (47, 3340865), (55, 2854921), (95, 1652849), (115, 1365397), (139, 1129645), (209, 751295), (235, 668173), (253, 620635), (437, 359315), (517, 303715), (695, 225929), (893, 175835), (1045, 150259), (1081, 145255), (1265, 124127), (1529, 102695), (2185, 71863), (2585, 60743), (2641, 59455), (3197, 49115), (4465, 35167), (4807, 32665), (5405, 29051), (6533, 24035), (7645, 20539), (9823, 15985), (11891, 13205)]