172906240

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10391}}^1$

素因数の和:10425

約数の個数: 72

約数和(自身を含む): 446066208

約数和(自身を除く): 273159968

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320, 10391, 16640, 20782, 41564, 51955, 83128, 103910, 135083, 166256, 207820, 270166, 332512, 415640, 540332, 665024, 675415, 831280, 1080664, 1330048, 1350830, 1662560, 2161328, 2660096, 2701660, 3325120, 4322656, 5403320, 6650240, 8645312, 10806640, 13300480, 17290624, 21613280, 34581248, 43226560, 86453120, 172906240]

約数ペア:

[(1, 172906240), (2, 86453120), (4, 43226560), (5, 34581248), (8, 21613280), (10, 17290624), (13, 13300480), (16, 10806640), (20, 8645312), (26, 6650240), (32, 5403320), (40, 4322656), (52, 3325120), (64, 2701660), (65, 2660096), (80, 2161328), (104, 1662560), (128, 1350830), (130, 1330048), (160, 1080664), (208, 831280), (256, 675415), (260, 665024), (320, 540332), (416, 415640), (520, 332512), (640, 270166), (832, 207820), (1040, 166256), (1280, 135083), (1664, 103910), (2080, 83128), (3328, 51955), (4160, 41564), (8320, 20782), (10391, 16640)]