123838380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{2741}}^1$

素因数の和:3007

約数の個数: 72

約数和(自身を含む): 377277264

約数和(自身を除く): 253438884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 251, 502, 753, 1004, 1255, 1506, 2259, 2510, 2741, 3012, 3765, 4518, 5020, 5482, 7530, 8223, 9036, 10964, 11295, 13705, 15060, 16446, 22590, 24669, 27410, 32892, 41115, 45180, 49338, 54820, 82230, 98676, 123345, 164460, 246690, 493380, 687991, 1375982, 2063973, 2751964, 3439955, 4127946, 6191919, 6879910, 8255892, 10319865, 12383838, 13759820, 20639730, 24767676, 30959595, 41279460, 61919190, 123838380]

約数ペア:

[(1, 123838380), (2, 61919190), (3, 41279460), (4, 30959595), (5, 24767676), (6, 20639730), (9, 13759820), (10, 12383838), (12, 10319865), (15, 8255892), (18, 6879910), (20, 6191919), (30, 4127946), (36, 3439955), (45, 2751964), (60, 2063973), (90, 1375982), (180, 687991), (251, 493380), (502, 246690), (753, 164460), (1004, 123345), (1255, 98676), (1506, 82230), (2259, 54820), (2510, 49338), (2741, 45180), (3012, 41115), (3765, 32892), (4518, 27410), (5020, 24669), (5482, 22590), (7530, 16446), (8223, 15060), (9036, 13705), (10964, 11295)]