71607680

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{881}}^1$

素因数の和:1027

約数の個数: 64

約数和(自身を含む): 172730880

約数和(自身を除く): 101123200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 320, 508, 635, 640, 881, 1016, 1270, 1762, 2032, 2540, 3524, 4064, 4405, 5080, 7048, 8128, 8810, 10160, 14096, 16256, 17620, 20320, 28192, 35240, 40640, 56384, 70480, 81280, 111887, 112768, 140960, 223774, 281920, 447548, 559435, 563840, 895096, 1118870, 1790192, 2237740, 3580384, 4475480, 7160768, 8950960, 14321536, 17901920, 35803840, 71607680]

約数ペア:

[(1, 71607680), (2, 35803840), (4, 17901920), (5, 14321536), (8, 8950960), (10, 7160768), (16, 4475480), (20, 3580384), (32, 2237740), (40, 1790192), (64, 1118870), (80, 895096), (127, 563840), (128, 559435), (160, 447548), (254, 281920), (320, 223774), (508, 140960), (635, 112768), (640, 111887), (881, 81280), (1016, 70480), (1270, 56384), (1762, 40640), (2032, 35240), (2540, 28192), (3524, 20320), (4064, 17620), (4405, 16256), (5080, 14096), (7048, 10160), (8128, 8810)]