1678380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2543}}^1$

素因数の和:2566

約数の個数: 48

約数和(自身を含む): 5128704

約数和(自身を除く): 3450324

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 2543, 5086, 7629, 10172, 12715, 15258, 25430, 27973, 30516, 38145, 50860, 55946, 76290, 83919, 111892, 139865, 152580, 167838, 279730, 335676, 419595, 559460, 839190, 1678380]

約数ペア:

[(1, 1678380), (2, 839190), (3, 559460), (4, 419595), (5, 335676), (6, 279730), (10, 167838), (11, 152580), (12, 139865), (15, 111892), (20, 83919), (22, 76290), (30, 55946), (33, 50860), (44, 38145), (55, 30516), (60, 27973), (66, 25430), (110, 15258), (132, 12715), (165, 10172), (220, 7629), (330, 5086), (660, 2543)]