2864807680

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{319733}}^1$

素因数の和:319761

約数の個数: 72

約数和(自身を含む): 7842435552

約数和(自身を除く): 4977627872

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, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 319733, 639466, 1278932, 1598665, 2238131, 2557864, 3197330, 4476262, 5115728, 6394660, 8952524, 10231456, 11190655, 12789320, 17905048, 20462912, 22381310, 25578640, 35810096, 40925824, 44762620, 51157280, 71620192, 81851648, 89525240, 102314560, 143240384, 179050480, 204629120, 286480768, 358100960, 409258240, 572961536, 716201920, 1432403840, 2864807680]

約数ペア:

[(1, 2864807680), (2, 1432403840), (4, 716201920), (5, 572961536), (7, 409258240), (8, 358100960), (10, 286480768), (14, 204629120), (16, 179050480), (20, 143240384), (28, 102314560), (32, 89525240), (35, 81851648), (40, 71620192), (56, 51157280), (64, 44762620), (70, 40925824), (80, 35810096), (112, 25578640), (128, 22381310), (140, 20462912), (160, 17905048), (224, 12789320), (256, 11190655), (280, 10231456), (320, 8952524), (448, 6394660), (560, 5115728), (640, 4476262), (896, 3197330), (1120, 2557864), (1280, 2238131), (1792, 1598665), (2240, 1278932), (4480, 639466), (8960, 319733)]