1566336820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{242467}}^1$

素因数の和:242512

約数の個数: 48

約数和(自身を含む): 3666116160

約数和(自身を除く): 2099779340

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 242467, 484934, 969868, 1212335, 2424670, 4121939, 4606873, 4849340, 8243878, 9213746, 16487756, 18427492, 20609695, 23034365, 41219390, 46068730, 78316841, 82438780, 92137460, 156633682, 313267364, 391584205, 783168410, 1566336820]

約数ペア:

[(1, 1566336820), (2, 783168410), (4, 391584205), (5, 313267364), (10, 156633682), (17, 92137460), (19, 82438780), (20, 78316841), (34, 46068730), (38, 41219390), (68, 23034365), (76, 20609695), (85, 18427492), (95, 16487756), (170, 9213746), (190, 8243878), (323, 4849340), (340, 4606873), (380, 4121939), (646, 2424670), (1292, 1212335), (1615, 969868), (3230, 484934), (6460, 242467)]