81031170080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{72349259}}^1$

素因数の和:72349281

約数の個数: 48

約数和(自身を含む): 218784162240

約数和(自身を除く): 137752992160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 72349259, 144698518, 289397036, 361746295, 506444813, 578794072, 723492590, 1012889626, 1157588144, 1446985180, 2025779252, 2315176288, 2532224065, 2893970360, 4051558504, 5064448130, 5787940720, 8103117008, 10128896260, 11575881440, 16206234016, 20257792520, 40515585040, 81031170080]

約数ペア:

[(1, 81031170080), (2, 40515585040), (4, 20257792520), (5, 16206234016), (7, 11575881440), (8, 10128896260), (10, 8103117008), (14, 5787940720), (16, 5064448130), (20, 4051558504), (28, 2893970360), (32, 2532224065), (35, 2315176288), (40, 2025779252), (56, 1446985180), (70, 1157588144), (80, 1012889626), (112, 723492590), (140, 578794072), (160, 506444813), (224, 361746295), (280, 289397036), (560, 144698518), (1120, 72349259)]