7840740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7687}}^1$

素因数の和:7716

約数の個数: 48

約数和(自身を含む): 23248512

約数和(自身を除く): 15407772

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 7687, 15374, 23061, 30748, 38435, 46122, 76870, 92244, 115305, 130679, 153740, 230610, 261358, 392037, 461220, 522716, 653395, 784074, 1306790, 1568148, 1960185, 2613580, 3920370, 7840740]

約数ペア:

[(1, 7840740), (2, 3920370), (3, 2613580), (4, 1960185), (5, 1568148), (6, 1306790), (10, 784074), (12, 653395), (15, 522716), (17, 461220), (20, 392037), (30, 261358), (34, 230610), (51, 153740), (60, 130679), (68, 115305), (85, 92244), (102, 76870), (170, 46122), (204, 38435), (255, 30748), (340, 23061), (510, 15374), (1020, 7687)]