816961680

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{378223}}^1$

素因数の和:378245

約数の個数: 80

約数和(自身を含む): 2813986560

約数和(自身を除く): 1997024880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 378223, 756446, 1134669, 1512892, 1891115, 2269338, 3025784, 3404007, 3782230, 4538676, 5673345, 6051568, 6808014, 7564460, 9077352, 10212021, 11346690, 13616028, 15128920, 17020035, 18154704, 20424042, 22693380, 27232056, 30257840, 34040070, 40848084, 45386760, 51060105, 54464112, 68080140, 81696168, 90773520, 102120210, 136160280, 163392336, 204240420, 272320560, 408480840, 816961680]

約数ペア:

[(1, 816961680), (2, 408480840), (3, 272320560), (4, 204240420), (5, 163392336), (6, 136160280), (8, 102120210), (9, 90773520), (10, 81696168), (12, 68080140), (15, 54464112), (16, 51060105), (18, 45386760), (20, 40848084), (24, 34040070), (27, 30257840), (30, 27232056), (36, 22693380), (40, 20424042), (45, 18154704), (48, 17020035), (54, 15128920), (60, 13616028), (72, 11346690), (80, 10212021), (90, 9077352), (108, 7564460), (120, 6808014), (135, 6051568), (144, 5673345), (180, 4538676), (216, 3782230), (240, 3404007), (270, 3025784), (360, 2269338), (432, 1891115), (540, 1512892), (720, 1134669), (1080, 756446), (2160, 378223)]