318753540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{252979}}^1$

素因数の和:253001

約数の個数: 72

約数和(自身を含む): 1105016640

約数和(自身を除く): 786263100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 252979, 505958, 758937, 1011916, 1264895, 1517874, 1770853, 2276811, 2529790, 3035748, 3541706, 3794685, 4553622, 5059580, 5312559, 7083412, 7589370, 8854265, 9107244, 10625118, 11384055, 15178740, 15937677, 17708530, 21250236, 22768110, 26562795, 31875354, 35417060, 45536220, 53125590, 63750708, 79688385, 106251180, 159376770, 318753540]

約数ペア:

[(1, 318753540), (2, 159376770), (3, 106251180), (4, 79688385), (5, 63750708), (6, 53125590), (7, 45536220), (9, 35417060), (10, 31875354), (12, 26562795), (14, 22768110), (15, 21250236), (18, 17708530), (20, 15937677), (21, 15178740), (28, 11384055), (30, 10625118), (35, 9107244), (36, 8854265), (42, 7589370), (45, 7083412), (60, 5312559), (63, 5059580), (70, 4553622), (84, 3794685), (90, 3541706), (105, 3035748), (126, 2529790), (140, 2276811), (180, 1770853), (210, 1517874), (252, 1264895), (315, 1011916), (420, 758937), (630, 505958), (1260, 252979)]