305350740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{39451}}^1$

素因数の和:39509

約数の個数: 72

約数和(自身を含む): 947794848

約数和(自身を除く): 642444108

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, 39451, 78902, 118353, 157804, 197255, 236706, 355059, 394510, 473412, 591765, 710118, 789020, 1183530, 1420236, 1696393, 1775295, 2367060, 3392786, 3550590, 5089179, 6785572, 7101180, 8481965, 10178358, 15267537, 16963930, 20356716, 25445895, 30535074, 33927860, 50891790, 61070148, 76337685, 101783580, 152675370, 305350740]

約数ペア:

[(1, 305350740), (2, 152675370), (3, 101783580), (4, 76337685), (5, 61070148), (6, 50891790), (9, 33927860), (10, 30535074), (12, 25445895), (15, 20356716), (18, 16963930), (20, 15267537), (30, 10178358), (36, 8481965), (43, 7101180), (45, 6785572), (60, 5089179), (86, 3550590), (90, 3392786), (129, 2367060), (172, 1775295), (180, 1696393), (215, 1420236), (258, 1183530), (387, 789020), (430, 710118), (516, 591765), (645, 473412), (774, 394510), (860, 355059), (1290, 236706), (1548, 197255), (1935, 157804), (2580, 118353), (3870, 78902), (7740, 39451)]