128766720

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{33533}}^1$

素因数の和:33557

約数の個数: 72

約数和(自身を含む): 411260976

約数和(自身を除く): 282494256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 33533, 67066, 100599, 134132, 167665, 201198, 268264, 335330, 402396, 502995, 536528, 670660, 804792, 1005990, 1073056, 1341320, 1609584, 2011980, 2146112, 2682640, 3219168, 4023960, 4292224, 5365280, 6438336, 8047920, 8584448, 10730560, 12876672, 16095840, 21461120, 25753344, 32191680, 42922240, 64383360, 128766720]

約数ペア:

[(1, 128766720), (2, 64383360), (3, 42922240), (4, 32191680), (5, 25753344), (6, 21461120), (8, 16095840), (10, 12876672), (12, 10730560), (15, 8584448), (16, 8047920), (20, 6438336), (24, 5365280), (30, 4292224), (32, 4023960), (40, 3219168), (48, 2682640), (60, 2146112), (64, 2011980), (80, 1609584), (96, 1341320), (120, 1073056), (128, 1005990), (160, 804792), (192, 670660), (240, 536528), (256, 502995), (320, 402396), (384, 335330), (480, 268264), (640, 201198), (768, 167665), (960, 134132), (1280, 100599), (1920, 67066), (3840, 33533)]