87679620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{9941}}^1$

素因数の和:9970

約数の個数: 108

約数和(自身を含む): 309414924

約数和(自身を除く): 221735304

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 9941, 19882, 29823, 39764, 49705, 59646, 69587, 89469, 99410, 119292, 139174, 149115, 178938, 198820, 208761, 278348, 298230, 347935, 357876, 417522, 447345, 487109, 596460, 626283, 695870, 835044, 894690, 974218, 1043805, 1252566, 1391740, 1461327, 1789380, 1948436, 2087610, 2435545, 2505132, 2922654, 3131415, 4175220, 4383981, 4871090, 5845308, 6262830, 7306635, 8767962, 9742180, 12525660, 14613270, 17535924, 21919905, 29226540, 43839810, 87679620]

約数ペア:

[(1, 87679620), (2, 43839810), (3, 29226540), (4, 21919905), (5, 17535924), (6, 14613270), (7, 12525660), (9, 9742180), (10, 8767962), (12, 7306635), (14, 6262830), (15, 5845308), (18, 4871090), (20, 4383981), (21, 4175220), (28, 3131415), (30, 2922654), (35, 2505132), (36, 2435545), (42, 2087610), (45, 1948436), (49, 1789380), (60, 1461327), (63, 1391740), (70, 1252566), (84, 1043805), (90, 974218), (98, 894690), (105, 835044), (126, 695870), (140, 626283), (147, 596460), (180, 487109), (196, 447345), (210, 417522), (245, 357876), (252, 347935), (294, 298230), (315, 278348), (420, 208761), (441, 198820), (490, 178938), (588, 149115), (630, 139174), (735, 119292), (882, 99410), (980, 89469), (1260, 69587), (1470, 59646), (1764, 49705), (2205, 39764), (2940, 29823), (4410, 19882), (8820, 9941)]