81512354760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1059703}}^1$

素因数の和:1060358

約数の個数: 64

約数和(自身を含む): 244918788480

約数和(自身を除く): 163406433720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 641, 1282, 1923, 2564, 3205, 3846, 5128, 6410, 7692, 9615, 12820, 15384, 19230, 25640, 38460, 76920, 1059703, 2119406, 3179109, 4238812, 5298515, 6358218, 8477624, 10597030, 12716436, 15895545, 21194060, 25432872, 31791090, 42388120, 63582180, 127164360, 679269623, 1358539246, 2037808869, 2717078492, 3396348115, 4075617738, 5434156984, 6792696230, 8151235476, 10189044345, 13585392460, 16302470952, 20378088690, 27170784920, 40756177380, 81512354760]

約数ペア:

[(1, 81512354760), (2, 40756177380), (3, 27170784920), (4, 20378088690), (5, 16302470952), (6, 13585392460), (8, 10189044345), (10, 8151235476), (12, 6792696230), (15, 5434156984), (20, 4075617738), (24, 3396348115), (30, 2717078492), (40, 2037808869), (60, 1358539246), (120, 679269623), (641, 127164360), (1282, 63582180), (1923, 42388120), (2564, 31791090), (3205, 25432872), (3846, 21194060), (5128, 15895545), (6410, 12716436), (7692, 10597030), (9615, 8477624), (12820, 6358218), (15384, 5298515), (19230, 4238812), (25640, 3179109), (38460, 2119406), (76920, 1059703)]