77470720

素因数分解:

$2^{10}\times 5^1\times {\mathrm{15131}}^1$

素因数の和:15156

約数の個数: 44

約数和(自身を含む): 185851224

約数和(自身を除く): 108380504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 15131, 30262, 60524, 75655, 121048, 151310, 242096, 302620, 484192, 605240, 968384, 1210480, 1936768, 2420960, 3873536, 4841920, 7747072, 9683840, 15494144, 19367680, 38735360, 77470720]

約数ペア:

[(1, 77470720), (2, 38735360), (4, 19367680), (5, 15494144), (8, 9683840), (10, 7747072), (16, 4841920), (20, 3873536), (32, 2420960), (40, 1936768), (64, 1210480), (80, 968384), (128, 605240), (160, 484192), (256, 302620), (320, 242096), (512, 151310), (640, 121048), (1024, 75655), (1280, 60524), (2560, 30262), (5120, 15131)]