15390260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{241}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 33825792

約数和(自身を除く): 18435532

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 103, 124, 155, 206, 241, 310, 412, 482, 515, 620, 964, 1030, 1205, 2060, 2410, 3193, 4820, 6386, 7471, 12772, 14942, 15965, 24823, 29884, 31930, 37355, 49646, 63860, 74710, 99292, 124115, 149420, 248230, 496460, 769513, 1539026, 3078052, 3847565, 7695130, 15390260]

約数ペア:

[(1, 15390260), (2, 7695130), (4, 3847565), (5, 3078052), (10, 1539026), (20, 769513), (31, 496460), (62, 248230), (103, 149420), (124, 124115), (155, 99292), (206, 74710), (241, 63860), (310, 49646), (412, 37355), (482, 31930), (515, 29884), (620, 24823), (964, 15965), (1030, 14942), (1205, 12772), (2060, 7471), (2410, 6386), (3193, 4820)]