15404620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1429}}^1$

素因数の和:1463

約数の個数: 72

約数和(自身を含む): 41081040

約数和(自身を除く): 25676420

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1429, 1540, 2156, 2695, 2858, 5390, 5716, 7145, 10003, 10780, 14290, 15719, 20006, 28580, 31438, 40012, 50015, 62876, 70021, 78595, 100030, 110033, 140042, 157190, 200060, 220066, 280084, 314380, 350105, 440132, 550165, 700210, 770231, 1100330, 1400420, 1540462, 2200660, 3080924, 3851155, 7702310, 15404620]

約数ペア:

[(1, 15404620), (2, 7702310), (4, 3851155), (5, 3080924), (7, 2200660), (10, 1540462), (11, 1400420), (14, 1100330), (20, 770231), (22, 700210), (28, 550165), (35, 440132), (44, 350105), (49, 314380), (55, 280084), (70, 220066), (77, 200060), (98, 157190), (110, 140042), (140, 110033), (154, 100030), (196, 78595), (220, 70021), (245, 62876), (308, 50015), (385, 40012), (490, 31438), (539, 28580), (770, 20006), (980, 15719), (1078, 14290), (1429, 10780), (1540, 10003), (2156, 7145), (2695, 5716), (2858, 5390)]