72686985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{947}}^1$

素因数の和:1022

約数の個数: 64

約数和(自身を含む): 144156672

約数和(自身を除く): 71469687

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 43, 51, 85, 105, 119, 129, 215, 255, 301, 357, 595, 645, 731, 903, 947, 1505, 1785, 2193, 2841, 3655, 4515, 4735, 5117, 6629, 10965, 14205, 15351, 16099, 19887, 25585, 33145, 40721, 48297, 76755, 80495, 99435, 112693, 122163, 203605, 241485, 285047, 338079, 563465, 610815, 692257, 855141, 1425235, 1690395, 2076771, 3461285, 4275705, 4845799, 10383855, 14537397, 24228995, 72686985]

約数ペア:

[(1, 72686985), (3, 24228995), (5, 14537397), (7, 10383855), (15, 4845799), (17, 4275705), (21, 3461285), (35, 2076771), (43, 1690395), (51, 1425235), (85, 855141), (105, 692257), (119, 610815), (129, 563465), (215, 338079), (255, 285047), (301, 241485), (357, 203605), (595, 122163), (645, 112693), (731, 99435), (903, 80495), (947, 76755), (1505, 48297), (1785, 40721), (2193, 33145), (2841, 25585), (3655, 19887), (4515, 16099), (4735, 15351), (5117, 14205), (6629, 10965)]