51711720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13901}}^1$

素因数の和:13946

約数の個数: 64

約数和(自身を含む): 160151040

約数和(自身を除く): 108439320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 13901, 27802, 41703, 55604, 69505, 83406, 111208, 139010, 166812, 208515, 278020, 333624, 417030, 430931, 556040, 834060, 861862, 1292793, 1668120, 1723724, 2154655, 2585586, 3447448, 4309310, 5171172, 6463965, 8618620, 10342344, 12927930, 17237240, 25855860, 51711720]

約数ペア:

[(1, 51711720), (2, 25855860), (3, 17237240), (4, 12927930), (5, 10342344), (6, 8618620), (8, 6463965), (10, 5171172), (12, 4309310), (15, 3447448), (20, 2585586), (24, 2154655), (30, 1723724), (31, 1668120), (40, 1292793), (60, 861862), (62, 834060), (93, 556040), (120, 430931), (124, 417030), (155, 333624), (186, 278020), (248, 208515), (310, 166812), (372, 139010), (465, 111208), (620, 83406), (744, 69505), (930, 55604), (1240, 41703), (1860, 27802), (3720, 13901)]