157212720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{31193}}^1$

素因数の和:31219

約数の個数: 120

約数和(自身を含む): 603416736

約数和(自身を除く): 446204016

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 31193, 62386, 93579, 124772, 155965, 187158, 218351, 249544, 280737, 311930, 374316, 436702, 467895, 499088, 561474, 623860, 655053, 748632, 873404, 935790, 1091755, 1122948, 1247720, 1310106, 1403685, 1497264, 1746808, 1871580, 1965159, 2183510, 2245896, 2495440, 2620212, 2807370, 3275265, 3493616, 3743160, 3930318, 4367020, 4491792, 5240424, 5614740, 6550530, 7486320, 7860636, 8734040, 9825795, 10480848, 11229480, 13101060, 15721272, 17468080, 19651590, 22458960, 26202120, 31442544, 39303180, 52404240, 78606360, 157212720]

約数ペア:

[(1, 157212720), (2, 78606360), (3, 52404240), (4, 39303180), (5, 31442544), (6, 26202120), (7, 22458960), (8, 19651590), (9, 17468080), (10, 15721272), (12, 13101060), (14, 11229480), (15, 10480848), (16, 9825795), (18, 8734040), (20, 7860636), (21, 7486320), (24, 6550530), (28, 5614740), (30, 5240424), (35, 4491792), (36, 4367020), (40, 3930318), (42, 3743160), (45, 3493616), (48, 3275265), (56, 2807370), (60, 2620212), (63, 2495440), (70, 2245896), (72, 2183510), (80, 1965159), (84, 1871580), (90, 1746808), (105, 1497264), (112, 1403685), (120, 1310106), (126, 1247720), (140, 1122948), (144, 1091755), (168, 935790), (180, 873404), (210, 748632), (240, 655053), (252, 623860), (280, 561474), (315, 499088), (336, 467895), (360, 436702), (420, 374316), (504, 311930), (560, 280737), (630, 249544), (720, 218351), (840, 187158), (1008, 155965), (1260, 124772), (1680, 93579), (2520, 62386), (5040, 31193)]