619200540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{491429}}^1$

素因数の和:491451

約数の個数: 72

約数和(自身を含む): 2146566240

約数和(自身を除く): 1527365700

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, 491429, 982858, 1474287, 1965716, 2457145, 2948574, 3440003, 4422861, 4914290, 5897148, 6880006, 7371435, 8845722, 9828580, 10320009, 13760012, 14742870, 17200015, 17691444, 20640018, 22114305, 29485740, 30960027, 34400030, 41280036, 44228610, 51600045, 61920054, 68800060, 88457220, 103200090, 123840108, 154800135, 206400180, 309600270, 619200540]

約数ペア:

[(1, 619200540), (2, 309600270), (3, 206400180), (4, 154800135), (5, 123840108), (6, 103200090), (7, 88457220), (9, 68800060), (10, 61920054), (12, 51600045), (14, 44228610), (15, 41280036), (18, 34400030), (20, 30960027), (21, 29485740), (28, 22114305), (30, 20640018), (35, 17691444), (36, 17200015), (42, 14742870), (45, 13760012), (60, 10320009), (63, 9828580), (70, 8845722), (84, 7371435), (90, 6880006), (105, 5897148), (126, 4914290), (140, 4422861), (180, 3440003), (210, 2948574), (252, 2457145), (315, 1965716), (420, 1474287), (630, 982858), (1260, 491429)]