66809220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1721}}^1$

素因数の和:2380

約数の個数: 48

約数和(自身を含む): 187463808

約数和(自身を除く): 120654588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 647, 1294, 1721, 1941, 2588, 3235, 3442, 3882, 5163, 6470, 6884, 7764, 8605, 9705, 10326, 12940, 17210, 19410, 20652, 25815, 34420, 38820, 51630, 103260, 1113487, 2226974, 3340461, 4453948, 5567435, 6680922, 11134870, 13361844, 16702305, 22269740, 33404610, 66809220]

約数ペア:

[(1, 66809220), (2, 33404610), (3, 22269740), (4, 16702305), (5, 13361844), (6, 11134870), (10, 6680922), (12, 5567435), (15, 4453948), (20, 3340461), (30, 2226974), (60, 1113487), (647, 103260), (1294, 51630), (1721, 38820), (1941, 34420), (2588, 25815), (3235, 20652), (3442, 19410), (3882, 17210), (5163, 12940), (6470, 10326), (6884, 9705), (7764, 8605)]