81600068

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^2\times {\mathrm{59}}^1$

素因数の和:177

約数の個数: 72

約数和(自身を含む): 171732960

約数和(自身を除く): 90132892

約数列:

[1, 2, 4, 11, 17, 22, 34, 43, 44, 59, 68, 86, 118, 172, 187, 236, 374, 473, 649, 731, 748, 946, 1003, 1298, 1462, 1849, 1892, 2006, 2537, 2596, 2924, 3698, 4012, 5074, 7396, 8041, 10148, 11033, 16082, 20339, 22066, 27907, 31433, 32164, 40678, 43129, 44132, 55814, 62866, 81356, 86258, 109091, 111628, 125732, 172516, 218182, 345763, 436364, 474419, 691526, 948838, 1200001, 1383052, 1854547, 1897676, 2400002, 3709094, 4800004, 7418188, 20400017, 40800034, 81600068]

約数ペア:

[(1, 81600068), (2, 40800034), (4, 20400017), (11, 7418188), (17, 4800004), (22, 3709094), (34, 2400002), (43, 1897676), (44, 1854547), (59, 1383052), (68, 1200001), (86, 948838), (118, 691526), (172, 474419), (187, 436364), (236, 345763), (374, 218182), (473, 172516), (649, 125732), (731, 111628), (748, 109091), (946, 86258), (1003, 81356), (1298, 62866), (1462, 55814), (1849, 44132), (1892, 43129), (2006, 40678), (2537, 32164), (2596, 31433), (2924, 27907), (3698, 22066), (4012, 20339), (5074, 16082), (7396, 11033), (8041, 10148)]