72808780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1913}}^1$

素因数の和:2106

約数の個数: 48

約数和(自身を含む): 167850144

約数和(自身を除く): 95041364

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 173, 220, 346, 692, 865, 1730, 1903, 1913, 3460, 3806, 3826, 7612, 7652, 9515, 9565, 19030, 19130, 21043, 38060, 38260, 42086, 84172, 105215, 210430, 330949, 420860, 661898, 1323796, 1654745, 3309490, 3640439, 6618980, 7280878, 14561756, 18202195, 36404390, 72808780]

約数ペア:

[(1, 72808780), (2, 36404390), (4, 18202195), (5, 14561756), (10, 7280878), (11, 6618980), (20, 3640439), (22, 3309490), (44, 1654745), (55, 1323796), (110, 661898), (173, 420860), (220, 330949), (346, 210430), (692, 105215), (865, 84172), (1730, 42086), (1903, 38260), (1913, 38060), (3460, 21043), (3806, 19130), (3826, 19030), (7612, 9565), (7652, 9515)]