201681180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:496

約数の個数: 144

約数和(自身を含む): 636539904

約数和(自身を除く): 434858724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 71, 86, 90, 129, 142, 172, 180, 213, 215, 258, 284, 355, 367, 387, 426, 430, 516, 639, 645, 710, 734, 774, 852, 860, 1065, 1101, 1278, 1290, 1420, 1468, 1548, 1835, 1935, 2130, 2202, 2556, 2580, 3053, 3195, 3303, 3670, 3870, 4260, 4404, 5505, 6106, 6390, 6606, 7340, 7740, 9159, 11010, 12212, 12780, 13212, 15265, 15781, 16515, 18318, 22020, 26057, 27477, 30530, 31562, 33030, 36636, 45795, 47343, 52114, 54954, 61060, 63124, 66060, 78171, 78905, 91590, 94686, 104228, 109908, 130285, 137385, 142029, 156342, 157810, 183180, 189372, 234513, 236715, 260570, 274770, 284058, 312684, 315620, 390855, 469026, 473430, 521140, 549540, 568116, 710145, 781710, 938052, 946860, 1120451, 1172565, 1420290, 1563420, 2240902, 2345130, 2840580, 3361353, 4481804, 4690260, 5602255, 6722706, 10084059, 11204510, 13445412, 16806765, 20168118, 22409020, 33613530, 40336236, 50420295, 67227060, 100840590, 201681180]

約数ペア:

[(1, 201681180), (2, 100840590), (3, 67227060), (4, 50420295), (5, 40336236), (6, 33613530), (9, 22409020), (10, 20168118), (12, 16806765), (15, 13445412), (18, 11204510), (20, 10084059), (30, 6722706), (36, 5602255), (43, 4690260), (45, 4481804), (60, 3361353), (71, 2840580), (86, 2345130), (90, 2240902), (129, 1563420), (142, 1420290), (172, 1172565), (180, 1120451), (213, 946860), (215, 938052), (258, 781710), (284, 710145), (355, 568116), (367, 549540), (387, 521140), (426, 473430), (430, 469026), (516, 390855), (639, 315620), (645, 312684), (710, 284058), (734, 274770), (774, 260570), (852, 236715), (860, 234513), (1065, 189372), (1101, 183180), (1278, 157810), (1290, 156342), (1420, 142029), (1468, 137385), (1548, 130285), (1835, 109908), (1935, 104228), (2130, 94686), (2202, 91590), (2556, 78905), (2580, 78171), (3053, 66060), (3195, 63124), (3303, 61060), (3670, 54954), (3870, 52114), (4260, 47343), (4404, 45795), (5505, 36636), (6106, 33030), (6390, 31562), (6606, 30530), (7340, 27477), (7740, 26057), (9159, 22020), (11010, 18318), (12212, 16515), (12780, 15781), (13212, 15265)]