1277897220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{165103}}^1$

素因数の和:165161

約数の個数: 72

約数和(自身を含む): 3966458496

約数和(自身を除く): 2688561276

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 165103, 330206, 495309, 660412, 825515, 990618, 1485927, 1651030, 1981236, 2476545, 2971854, 3302060, 4953090, 5943708, 7099429, 7429635, 9906180, 14198858, 14859270, 21298287, 28397716, 29718540, 35497145, 42596574, 63894861, 70994290, 85193148, 106491435, 127789722, 141988580, 212982870, 255579444, 319474305, 425965740, 638948610, 1277897220]

約数ペア:

[(1, 1277897220), (2, 638948610), (3, 425965740), (4, 319474305), (5, 255579444), (6, 212982870), (9, 141988580), (10, 127789722), (12, 106491435), (15, 85193148), (18, 70994290), (20, 63894861), (30, 42596574), (36, 35497145), (43, 29718540), (45, 28397716), (60, 21298287), (86, 14859270), (90, 14198858), (129, 9906180), (172, 7429635), (180, 7099429), (215, 5943708), (258, 4953090), (387, 3302060), (430, 2971854), (516, 2476545), (645, 1981236), (774, 1651030), (860, 1485927), (1290, 990618), (1548, 825515), (1935, 660412), (2580, 495309), (3870, 330206), (7740, 165103)]