81877770

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23327}}^1$

素因数の和:23356

約数の個数: 64

約数和(自身を含む): 235146240

約数和(自身を除く): 153268470

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 117, 130, 135, 195, 234, 270, 351, 390, 585, 702, 1170, 1755, 3510, 23327, 46654, 69981, 116635, 139962, 209943, 233270, 303251, 349905, 419886, 606502, 629829, 699810, 909753, 1049715, 1259658, 1516255, 1819506, 2099430, 2729259, 3032510, 3149145, 4548765, 5458518, 6298290, 8187777, 9097530, 13646295, 16375554, 27292590, 40938885, 81877770]

約数ペア:

[(1, 81877770), (2, 40938885), (3, 27292590), (5, 16375554), (6, 13646295), (9, 9097530), (10, 8187777), (13, 6298290), (15, 5458518), (18, 4548765), (26, 3149145), (27, 3032510), (30, 2729259), (39, 2099430), (45, 1819506), (54, 1516255), (65, 1259658), (78, 1049715), (90, 909753), (117, 699810), (130, 629829), (135, 606502), (195, 419886), (234, 349905), (270, 303251), (351, 233270), (390, 209943), (585, 139962), (702, 116635), (1170, 69981), (1755, 46654), (3510, 23327)]