71781360

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{42727}}^1$

素因数の和:42750

約数の個数: 80

約数和(自身を含む): 254317056

約数和(自身を除く): 182535696

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 42727, 85454, 128181, 170908, 213635, 256362, 299089, 341816, 427270, 512724, 598178, 640905, 683632, 854540, 897267, 1025448, 1196356, 1281810, 1495445, 1709080, 1794534, 2050896, 2392712, 2563620, 2990890, 3418160, 3589068, 4486335, 4785424, 5127240, 5981780, 7178136, 8972670, 10254480, 11963560, 14356272, 17945340, 23927120, 35890680, 71781360]

約数ペア:

[(1, 71781360), (2, 35890680), (3, 23927120), (4, 17945340), (5, 14356272), (6, 11963560), (7, 10254480), (8, 8972670), (10, 7178136), (12, 5981780), (14, 5127240), (15, 4785424), (16, 4486335), (20, 3589068), (21, 3418160), (24, 2990890), (28, 2563620), (30, 2392712), (35, 2050896), (40, 1794534), (42, 1709080), (48, 1495445), (56, 1281810), (60, 1196356), (70, 1025448), (80, 897267), (84, 854540), (105, 683632), (112, 640905), (120, 598178), (140, 512724), (168, 427270), (210, 341816), (240, 299089), (280, 256362), (336, 213635), (420, 170908), (560, 128181), (840, 85454), (1680, 42727)]