278325120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{144961}}^1$

素因数の和:144983

約数の個数: 64

約数和(自身を含む): 887167440

約数和(自身を除く): 608842320

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, 320, 384, 480, 640, 960, 1920, 144961, 289922, 434883, 579844, 724805, 869766, 1159688, 1449610, 1739532, 2174415, 2319376, 2899220, 3479064, 4348830, 4638752, 5798440, 6958128, 8697660, 9277504, 11596880, 13916256, 17395320, 18555008, 23193760, 27832512, 34790640, 46387520, 55665024, 69581280, 92775040, 139162560, 278325120]

約数ペア:

[(1, 278325120), (2, 139162560), (3, 92775040), (4, 69581280), (5, 55665024), (6, 46387520), (8, 34790640), (10, 27832512), (12, 23193760), (15, 18555008), (16, 17395320), (20, 13916256), (24, 11596880), (30, 9277504), (32, 8697660), (40, 6958128), (48, 5798440), (60, 4638752), (64, 4348830), (80, 3479064), (96, 2899220), (120, 2319376), (128, 2174415), (160, 1739532), (192, 1449610), (240, 1159688), (320, 869766), (384, 724805), (480, 579844), (640, 434883), (960, 289922), (1920, 144961)]