8317140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10663}}^1$

素因数の和:10688

約数の個数: 48

約数和(自身を含む): 25081728

約数和(自身を除く): 16764588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 10663, 21326, 31989, 42652, 53315, 63978, 106630, 127956, 138619, 159945, 213260, 277238, 319890, 415857, 554476, 639780, 693095, 831714, 1386190, 1663428, 2079285, 2772380, 4158570, 8317140]

約数ペア:

[(1, 8317140), (2, 4158570), (3, 2772380), (4, 2079285), (5, 1663428), (6, 1386190), (10, 831714), (12, 693095), (13, 639780), (15, 554476), (20, 415857), (26, 319890), (30, 277238), (39, 213260), (52, 159945), (60, 138619), (65, 127956), (78, 106630), (130, 63978), (156, 53315), (195, 42652), (260, 31989), (390, 21326), (780, 10663)]