81750816

素因数分解:

$2^5\times 3^3\times 7^2\times {\mathrm{1931}}^1$

素因数の和:1964

約数の個数: 144

約数和(自身を含む): 277512480

約数和(自身を除く): 195761664

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 72, 84, 96, 98, 108, 112, 126, 144, 147, 168, 189, 196, 216, 224, 252, 288, 294, 336, 378, 392, 432, 441, 504, 588, 672, 756, 784, 864, 882, 1008, 1176, 1323, 1512, 1568, 1764, 1931, 2016, 2352, 2646, 3024, 3528, 3862, 4704, 5292, 5793, 6048, 7056, 7724, 10584, 11586, 13517, 14112, 15448, 17379, 21168, 23172, 27034, 30896, 34758, 40551, 42336, 46344, 52137, 54068, 61792, 69516, 81102, 92688, 94619, 104274, 108136, 121653, 139032, 162204, 185376, 189238, 208548, 216272, 243306, 278064, 283857, 324408, 364959, 378476, 417096, 432544, 486612, 556128, 567714, 648816, 729918, 756952, 834192, 851571, 973224, 1135428, 1297632, 1459836, 1513904, 1668384, 1703142, 1946448, 2270856, 2554713, 2919672, 3027808, 3406284, 3892896, 4541712, 5109426, 5839344, 6812568, 9083424, 10218852, 11678688, 13625136, 20437704, 27250272, 40875408, 81750816]

約数ペア:

[(1, 81750816), (2, 40875408), (3, 27250272), (4, 20437704), (6, 13625136), (7, 11678688), (8, 10218852), (9, 9083424), (12, 6812568), (14, 5839344), (16, 5109426), (18, 4541712), (21, 3892896), (24, 3406284), (27, 3027808), (28, 2919672), (32, 2554713), (36, 2270856), (42, 1946448), (48, 1703142), (49, 1668384), (54, 1513904), (56, 1459836), (63, 1297632), (72, 1135428), (84, 973224), (96, 851571), (98, 834192), (108, 756952), (112, 729918), (126, 648816), (144, 567714), (147, 556128), (168, 486612), (189, 432544), (196, 417096), (216, 378476), (224, 364959), (252, 324408), (288, 283857), (294, 278064), (336, 243306), (378, 216272), (392, 208548), (432, 189238), (441, 185376), (504, 162204), (588, 139032), (672, 121653), (756, 108136), (784, 104274), (864, 94619), (882, 92688), (1008, 81102), (1176, 69516), (1323, 61792), (1512, 54068), (1568, 52137), (1764, 46344), (1931, 42336), (2016, 40551), (2352, 34758), (2646, 30896), (3024, 27034), (3528, 23172), (3862, 21168), (4704, 17379), (5292, 15448), (5793, 14112), (6048, 13517), (7056, 11586), (7724, 10584)]