158897320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1009}}^1$

素因数の和:1178

約数の個数: 64

約数和(自身を含む): 372326400

約数和(自身を除く): 213429080

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 127, 155, 248, 254, 310, 508, 620, 635, 1009, 1016, 1240, 1270, 2018, 2540, 3937, 4036, 5045, 5080, 7874, 8072, 10090, 15748, 19685, 20180, 31279, 31496, 39370, 40360, 62558, 78740, 125116, 128143, 156395, 157480, 250232, 256286, 312790, 512572, 625580, 640715, 1025144, 1251160, 1281430, 2562860, 3972433, 5125720, 7944866, 15889732, 19862165, 31779464, 39724330, 79448660, 158897320]

約数ペア:

[(1, 158897320), (2, 79448660), (4, 39724330), (5, 31779464), (8, 19862165), (10, 15889732), (20, 7944866), (31, 5125720), (40, 3972433), (62, 2562860), (124, 1281430), (127, 1251160), (155, 1025144), (248, 640715), (254, 625580), (310, 512572), (508, 312790), (620, 256286), (635, 250232), (1009, 157480), (1016, 156395), (1240, 128143), (1270, 125116), (2018, 78740), (2540, 62558), (3937, 40360), (4036, 39370), (5045, 31496), (5080, 31279), (7874, 20180), (8072, 19685), (10090, 15748)]