7978980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1873}}^1$

素因数の和:1956

約数の個数: 48

約数和(自身を含む): 22667904

約数和(自身を除く): 14688924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 1873, 2130, 3746, 4260, 5619, 7492, 9365, 11238, 18730, 22476, 28095, 37460, 56190, 112380, 132983, 265966, 398949, 531932, 664915, 797898, 1329830, 1595796, 1994745, 2659660, 3989490, 7978980]

約数ペア:

[(1, 7978980), (2, 3989490), (3, 2659660), (4, 1994745), (5, 1595796), (6, 1329830), (10, 797898), (12, 664915), (15, 531932), (20, 398949), (30, 265966), (60, 132983), (71, 112380), (142, 56190), (213, 37460), (284, 28095), (355, 22476), (426, 18730), (710, 11238), (852, 9365), (1065, 7492), (1420, 5619), (1873, 4260), (2130, 3746)]