81285180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{8629}}^1$

素因数の和:8798

約数の個数: 48

約数和(自身を含む): 229074720

約数和(自身を除く): 147789540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 942, 1570, 1884, 2355, 3140, 4710, 8629, 9420, 17258, 25887, 34516, 43145, 51774, 86290, 103548, 129435, 172580, 258870, 517740, 1354753, 2709506, 4064259, 5419012, 6773765, 8128518, 13547530, 16257036, 20321295, 27095060, 40642590, 81285180]

約数ペア:

[(1, 81285180), (2, 40642590), (3, 27095060), (4, 20321295), (5, 16257036), (6, 13547530), (10, 8128518), (12, 6773765), (15, 5419012), (20, 4064259), (30, 2709506), (60, 1354753), (157, 517740), (314, 258870), (471, 172580), (628, 129435), (785, 103548), (942, 86290), (1570, 51774), (1884, 43145), (2355, 34516), (3140, 25887), (4710, 17258), (8629, 9420)]