123581808

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{40867}}^1$

素因数の和:40891

約数の個数: 80

約数和(自身を含む): 405410560

約数和(自身を除く): 281828752

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 84, 108, 112, 126, 144, 168, 189, 216, 252, 336, 378, 432, 504, 756, 1008, 1512, 3024, 40867, 81734, 122601, 163468, 245202, 286069, 326936, 367803, 490404, 572138, 653872, 735606, 858207, 980808, 1103409, 1144276, 1471212, 1716414, 1961616, 2206818, 2288552, 2574621, 2942424, 3432828, 4413636, 4577104, 5149242, 5884848, 6865656, 7723863, 8827272, 10298484, 13731312, 15447726, 17654544, 20596968, 30895452, 41193936, 61790904, 123581808]

約数ペア:

[(1, 123581808), (2, 61790904), (3, 41193936), (4, 30895452), (6, 20596968), (7, 17654544), (8, 15447726), (9, 13731312), (12, 10298484), (14, 8827272), (16, 7723863), (18, 6865656), (21, 5884848), (24, 5149242), (27, 4577104), (28, 4413636), (36, 3432828), (42, 2942424), (48, 2574621), (54, 2288552), (56, 2206818), (63, 1961616), (72, 1716414), (84, 1471212), (108, 1144276), (112, 1103409), (126, 980808), (144, 858207), (168, 735606), (189, 653872), (216, 572138), (252, 490404), (336, 367803), (378, 326936), (432, 286069), (504, 245202), (756, 163468), (1008, 122601), (1512, 81734), (3024, 40867)]