30874280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{907}}^1$

素因数の和:978

約数の個数: 64

約数和(自身を含む): 74528640

約数和(自身を除く): 43654360

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 37, 40, 46, 74, 92, 115, 148, 184, 185, 230, 296, 370, 460, 740, 851, 907, 920, 1480, 1702, 1814, 3404, 3628, 4255, 4535, 6808, 7256, 8510, 9070, 17020, 18140, 20861, 33559, 34040, 36280, 41722, 67118, 83444, 104305, 134236, 166888, 167795, 208610, 268472, 335590, 417220, 671180, 771857, 834440, 1342360, 1543714, 3087428, 3859285, 6174856, 7718570, 15437140, 30874280]

約数ペア:

[(1, 30874280), (2, 15437140), (4, 7718570), (5, 6174856), (8, 3859285), (10, 3087428), (20, 1543714), (23, 1342360), (37, 834440), (40, 771857), (46, 671180), (74, 417220), (92, 335590), (115, 268472), (148, 208610), (184, 167795), (185, 166888), (230, 134236), (296, 104305), (370, 83444), (460, 67118), (740, 41722), (851, 36280), (907, 34040), (920, 33559), (1480, 20861), (1702, 18140), (1814, 17020), (3404, 9070), (3628, 8510), (4255, 7256), (4535, 6808)]