7566280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:190

約数の個数: 64

約数和(自身を含む): 17962560

約数和(自身を除く): 10396280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 53, 83, 86, 106, 166, 172, 212, 215, 265, 332, 344, 415, 424, 430, 530, 664, 830, 860, 1060, 1660, 1720, 2120, 2279, 3320, 3569, 4399, 4558, 7138, 8798, 9116, 11395, 14276, 17596, 17845, 18232, 21995, 22790, 28552, 35192, 35690, 43990, 45580, 71380, 87980, 91160, 142760, 175960, 189157, 378314, 756628, 945785, 1513256, 1891570, 3783140, 7566280]

約数ペア:

[(1, 7566280), (2, 3783140), (4, 1891570), (5, 1513256), (8, 945785), (10, 756628), (20, 378314), (40, 189157), (43, 175960), (53, 142760), (83, 91160), (86, 87980), (106, 71380), (166, 45580), (172, 43990), (212, 35690), (215, 35192), (265, 28552), (332, 22790), (344, 21995), (415, 18232), (424, 17845), (430, 17596), (530, 14276), (664, 11395), (830, 9116), (860, 8798), (1060, 7138), (1660, 4558), (1720, 4399), (2120, 3569), (2279, 3320)]