67144760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{313}}^1$

素因数の和:528

約数の個数: 64

約数和(自身を含む): 157351680

約数和(自身を除く): 90206920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 173, 248, 310, 313, 346, 620, 626, 692, 865, 1240, 1252, 1384, 1565, 1730, 2504, 3130, 3460, 5363, 6260, 6920, 9703, 10726, 12520, 19406, 21452, 26815, 38812, 42904, 48515, 53630, 54149, 77624, 97030, 107260, 108298, 194060, 214520, 216596, 270745, 388120, 433192, 541490, 1082980, 1678619, 2165960, 3357238, 6714476, 8393095, 13428952, 16786190, 33572380, 67144760]

約数ペア:

[(1, 67144760), (2, 33572380), (4, 16786190), (5, 13428952), (8, 8393095), (10, 6714476), (20, 3357238), (31, 2165960), (40, 1678619), (62, 1082980), (124, 541490), (155, 433192), (173, 388120), (248, 270745), (310, 216596), (313, 214520), (346, 194060), (620, 108298), (626, 107260), (692, 97030), (865, 77624), (1240, 54149), (1252, 53630), (1384, 48515), (1565, 42904), (1730, 38812), (2504, 26815), (3130, 21452), (3460, 19406), (5363, 12520), (6260, 10726), (6920, 9703)]