215734260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{73379}}^1$

素因数の和:73405

約数の個数: 72

約数和(自身を含む): 702686880

約数和(自身を除く): 486952620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 73379, 146758, 220137, 293516, 366895, 440274, 513653, 733790, 880548, 1027306, 1100685, 1467580, 1540959, 2054612, 2201370, 2568265, 3081918, 3595571, 4402740, 5136530, 6163836, 7191142, 7704795, 10273060, 10786713, 14382284, 15409590, 17977855, 21573426, 30819180, 35955710, 43146852, 53933565, 71911420, 107867130, 215734260]

約数ペア:

[(1, 215734260), (2, 107867130), (3, 71911420), (4, 53933565), (5, 43146852), (6, 35955710), (7, 30819180), (10, 21573426), (12, 17977855), (14, 15409590), (15, 14382284), (20, 10786713), (21, 10273060), (28, 7704795), (30, 7191142), (35, 6163836), (42, 5136530), (49, 4402740), (60, 3595571), (70, 3081918), (84, 2568265), (98, 2201370), (105, 2054612), (140, 1540959), (147, 1467580), (196, 1100685), (210, 1027306), (245, 880548), (294, 733790), (420, 513653), (490, 440274), (588, 366895), (735, 293516), (980, 220137), (1470, 146758), (2940, 73379)]