81617310

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31271}}^1$

素因数の和:31313

約数の個数: 48

約数和(自身を含む): 219529440

約数和(自身を除く): 137912130

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 870, 1305, 2610, 31271, 62542, 93813, 156355, 187626, 281439, 312710, 469065, 562878, 906859, 938130, 1407195, 1813718, 2720577, 2814390, 4534295, 5441154, 8161731, 9068590, 13602885, 16323462, 27205770, 40808655, 81617310]

約数ペア:

[(1, 81617310), (2, 40808655), (3, 27205770), (5, 16323462), (6, 13602885), (9, 9068590), (10, 8161731), (15, 5441154), (18, 4534295), (29, 2814390), (30, 2720577), (45, 1813718), (58, 1407195), (87, 938130), (90, 906859), (145, 562878), (174, 469065), (261, 312710), (290, 281439), (435, 187626), (522, 156355), (870, 93813), (1305, 62542), (2610, 31271)]