71354640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{42473}}^1$

素因数の和:42496

約数の個数: 80

約数和(自身を含む): 252805248

約数和(自身を除く): 181450608

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, 42473, 84946, 127419, 169892, 212365, 254838, 297311, 339784, 424730, 509676, 594622, 637095, 679568, 849460, 891933, 1019352, 1189244, 1274190, 1486555, 1698920, 1783866, 2038704, 2378488, 2548380, 2973110, 3397840, 3567732, 4459665, 4756976, 5096760, 5946220, 7135464, 8919330, 10193520, 11892440, 14270928, 17838660, 23784880, 35677320, 71354640]

約数ペア:

[(1, 71354640), (2, 35677320), (3, 23784880), (4, 17838660), (5, 14270928), (6, 11892440), (7, 10193520), (8, 8919330), (10, 7135464), (12, 5946220), (14, 5096760), (15, 4756976), (16, 4459665), (20, 3567732), (21, 3397840), (24, 2973110), (28, 2548380), (30, 2378488), (35, 2038704), (40, 1783866), (42, 1698920), (48, 1486555), (56, 1274190), (60, 1189244), (70, 1019352), (80, 891933), (84, 849460), (105, 679568), (112, 637095), (120, 594622), (140, 509676), (168, 424730), (210, 339784), (240, 297311), (280, 254838), (336, 212365), (420, 169892), (560, 127419), (840, 84946), (1680, 42473)]