157215235

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 223948800

約数和(自身を除く): 66733565

約数列:

[1, 5, 17, 23, 29, 47, 59, 85, 115, 145, 235, 295, 391, 493, 667, 799, 1003, 1081, 1357, 1363, 1711, 1955, 2465, 2773, 3335, 3995, 5015, 5405, 6785, 6815, 8555, 11339, 13865, 18377, 23069, 23171, 29087, 31349, 39353, 47141, 56695, 63779, 80417, 91885, 115345, 115855, 145435, 156745, 196765, 235705, 318895, 402085, 532933, 669001, 1084243, 1367089, 1849591, 2664665, 3345005, 5421215, 6835445, 9247955, 31443047, 157215235]

約数ペア:

[(1, 157215235), (5, 31443047), (17, 9247955), (23, 6835445), (29, 5421215), (47, 3345005), (59, 2664665), (85, 1849591), (115, 1367089), (145, 1084243), (235, 669001), (295, 532933), (391, 402085), (493, 318895), (667, 235705), (799, 196765), (1003, 156745), (1081, 145435), (1357, 115855), (1363, 115345), (1711, 91885), (1955, 80417), (2465, 63779), (2773, 56695), (3335, 47141), (3995, 39353), (5015, 31349), (5405, 29087), (6785, 23171), (6815, 23069), (8555, 18377), (11339, 13865)]