28165680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{39119}}^1$

素因数の和:39138

約数の個数: 60

約数和(自身を含む): 94592160

約数和(自身を除く): 66426480

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, 39119, 78238, 117357, 156476, 195595, 234714, 312952, 352071, 391190, 469428, 586785, 625904, 704142, 782380, 938856, 1173570, 1408284, 1564760, 1760355, 1877712, 2347140, 2816568, 3129520, 3520710, 4694280, 5633136, 7041420, 9388560, 14082840, 28165680]

約数ペア:

[(1, 28165680), (2, 14082840), (3, 9388560), (4, 7041420), (5, 5633136), (6, 4694280), (8, 3520710), (9, 3129520), (10, 2816568), (12, 2347140), (15, 1877712), (16, 1760355), (18, 1564760), (20, 1408284), (24, 1173570), (30, 938856), (36, 782380), (40, 704142), (45, 625904), (48, 586785), (60, 469428), (72, 391190), (80, 352071), (90, 312952), (120, 234714), (144, 195595), (180, 156476), (240, 117357), (360, 78238), (720, 39119)]