56054340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2857}}^1$

素因数の和:2981

約数の個数: 72

約数和(自身を含む): 171651480

約数和(自身を除く): 115597140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 654, 981, 1090, 1308, 1635, 1962, 2180, 2857, 3270, 3924, 4905, 5714, 6540, 8571, 9810, 11428, 14285, 17142, 19620, 25713, 28570, 34284, 42855, 51426, 57140, 85710, 102852, 128565, 171420, 257130, 311413, 514260, 622826, 934239, 1245652, 1557065, 1868478, 2802717, 3114130, 3736956, 4671195, 5605434, 6228260, 9342390, 11210868, 14013585, 18684780, 28027170, 56054340]

約数ペア:

[(1, 56054340), (2, 28027170), (3, 18684780), (4, 14013585), (5, 11210868), (6, 9342390), (9, 6228260), (10, 5605434), (12, 4671195), (15, 3736956), (18, 3114130), (20, 2802717), (30, 1868478), (36, 1557065), (45, 1245652), (60, 934239), (90, 622826), (109, 514260), (180, 311413), (218, 257130), (327, 171420), (436, 128565), (545, 102852), (654, 85710), (981, 57140), (1090, 51426), (1308, 42855), (1635, 34284), (1962, 28570), (2180, 25713), (2857, 19620), (3270, 17142), (3924, 14285), (4905, 11428), (5714, 9810), (6540, 8571)]