31512180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{75029}}^1$

素因数の和:75048

約数の個数: 48

約数和(自身を含む): 100840320

約数和(自身を除く): 69328140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 75029, 150058, 225087, 300116, 375145, 450174, 525203, 750290, 900348, 1050406, 1125435, 1500580, 1575609, 2100812, 2250870, 2626015, 3151218, 4501740, 5252030, 6302436, 7878045, 10504060, 15756090, 31512180]

約数ペア:

[(1, 31512180), (2, 15756090), (3, 10504060), (4, 7878045), (5, 6302436), (6, 5252030), (7, 4501740), (10, 3151218), (12, 2626015), (14, 2250870), (15, 2100812), (20, 1575609), (21, 1500580), (28, 1125435), (30, 1050406), (35, 900348), (42, 750290), (60, 525203), (70, 450174), (84, 375145), (105, 300116), (140, 225087), (210, 150058), (420, 75029)]