1394807680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{311341}}^1$

素因数の和:311367

約数の個数: 64

約数和(自身を含む): 3810826080

約数和(自身を除く): 2416018400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 311341, 622682, 1245364, 1556705, 2179387, 2490728, 3113410, 4358774, 4981456, 6226820, 8717548, 9962912, 10896935, 12453640, 17435096, 19925824, 21793870, 24907280, 34870192, 39851648, 43587740, 49814560, 69740384, 87175480, 99629120, 139480768, 174350960, 199258240, 278961536, 348701920, 697403840, 1394807680]

約数ペア:

[(1, 1394807680), (2, 697403840), (4, 348701920), (5, 278961536), (7, 199258240), (8, 174350960), (10, 139480768), (14, 99629120), (16, 87175480), (20, 69740384), (28, 49814560), (32, 43587740), (35, 39851648), (40, 34870192), (56, 24907280), (64, 21793870), (70, 19925824), (80, 17435096), (112, 12453640), (128, 10896935), (140, 9962912), (160, 8717548), (224, 6226820), (280, 4981456), (320, 4358774), (448, 3113410), (560, 2490728), (640, 2179387), (896, 1556705), (1120, 1245364), (2240, 622682), (4480, 311341)]