15740120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{431}}^1$

素因数の和:536

約数の個数: 64

約数和(自身を含む): 39191040

約数和(自身を除く): 23450920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 83, 88, 110, 166, 220, 332, 415, 431, 440, 664, 830, 862, 913, 1660, 1724, 1826, 2155, 3320, 3448, 3652, 4310, 4565, 4741, 7304, 8620, 9130, 9482, 17240, 18260, 18964, 23705, 35773, 36520, 37928, 47410, 71546, 94820, 143092, 178865, 189640, 286184, 357730, 393503, 715460, 787006, 1430920, 1574012, 1967515, 3148024, 3935030, 7870060, 15740120]

約数ペア:

[(1, 15740120), (2, 7870060), (4, 3935030), (5, 3148024), (8, 1967515), (10, 1574012), (11, 1430920), (20, 787006), (22, 715460), (40, 393503), (44, 357730), (55, 286184), (83, 189640), (88, 178865), (110, 143092), (166, 94820), (220, 71546), (332, 47410), (415, 37928), (431, 36520), (440, 35773), (664, 23705), (830, 18964), (862, 18260), (913, 17240), (1660, 9482), (1724, 9130), (1826, 8620), (2155, 7304), (3320, 4741), (3448, 4565), (3652, 4310)]