31689420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{383}}^1$

素因数の和:599

約数の個数: 96

約数和(自身を含む): 102187008

約数和(自身を除く): 70497588

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 197, 210, 383, 394, 420, 591, 766, 788, 985, 1149, 1182, 1379, 1532, 1915, 1970, 2298, 2364, 2681, 2758, 2955, 3830, 3940, 4137, 4596, 5362, 5516, 5745, 5910, 6895, 7660, 8043, 8274, 10724, 11490, 11820, 13405, 13790, 16086, 16548, 20685, 22980, 26810, 27580, 32172, 40215, 41370, 53620, 75451, 80430, 82740, 150902, 160860, 226353, 301804, 377255, 452706, 528157, 754510, 905412, 1056314, 1131765, 1509020, 1584471, 2112628, 2263530, 2640785, 3168942, 4527060, 5281570, 6337884, 7922355, 10563140, 15844710, 31689420]

約数ペア:

[(1, 31689420), (2, 15844710), (3, 10563140), (4, 7922355), (5, 6337884), (6, 5281570), (7, 4527060), (10, 3168942), (12, 2640785), (14, 2263530), (15, 2112628), (20, 1584471), (21, 1509020), (28, 1131765), (30, 1056314), (35, 905412), (42, 754510), (60, 528157), (70, 452706), (84, 377255), (105, 301804), (140, 226353), (197, 160860), (210, 150902), (383, 82740), (394, 80430), (420, 75451), (591, 53620), (766, 41370), (788, 40215), (985, 32172), (1149, 27580), (1182, 26810), (1379, 22980), (1532, 20685), (1915, 16548), (1970, 16086), (2298, 13790), (2364, 13405), (2681, 11820), (2758, 11490), (2955, 10724), (3830, 8274), (3940, 8043), (4137, 7660), (4596, 6895), (5362, 5910), (5516, 5745)]