21685680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{30119}}^1$

素因数の和:30138

約数の個数: 60

約数和(自身を含む): 72830160

約数和(自身を除く): 51144480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 30119, 60238, 90357, 120476, 150595, 180714, 240952, 271071, 301190, 361428, 451785, 481904, 542142, 602380, 722856, 903570, 1084284, 1204760, 1355355, 1445712, 1807140, 2168568, 2409520, 2710710, 3614280, 4337136, 5421420, 7228560, 10842840, 21685680]

約数ペア:

[(1, 21685680), (2, 10842840), (3, 7228560), (4, 5421420), (5, 4337136), (6, 3614280), (8, 2710710), (9, 2409520), (10, 2168568), (12, 1807140), (15, 1445712), (16, 1355355), (18, 1204760), (20, 1084284), (24, 903570), (30, 722856), (36, 602380), (40, 542142), (45, 481904), (48, 451785), (60, 361428), (72, 301190), (80, 271071), (90, 240952), (120, 180714), (144, 150595), (180, 120476), (240, 90357), (360, 60238), (720, 30119)]