201716760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{240139}}^1$

素因数の和:240160

約数の個数: 64

約数和(自身を含む): 691603200

約数和(自身を除く): 489886440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 240139, 480278, 720417, 960556, 1200695, 1440834, 1680973, 1921112, 2401390, 2881668, 3361946, 3602085, 4802780, 5042919, 5763336, 6723892, 7204170, 8404865, 9605560, 10085838, 13447784, 14408340, 16809730, 20171676, 25214595, 28816680, 33619460, 40343352, 50429190, 67238920, 100858380, 201716760]

約数ペア:

[(1, 201716760), (2, 100858380), (3, 67238920), (4, 50429190), (5, 40343352), (6, 33619460), (7, 28816680), (8, 25214595), (10, 20171676), (12, 16809730), (14, 14408340), (15, 13447784), (20, 10085838), (21, 9605560), (24, 8404865), (28, 7204170), (30, 6723892), (35, 5763336), (40, 5042919), (42, 4802780), (56, 3602085), (60, 3361946), (70, 2881668), (84, 2401390), (105, 1921112), (120, 1680973), (140, 1440834), (168, 1200695), (210, 960556), (280, 720417), (420, 480278), (840, 240139)]