18320220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5987}}^1$

素因数の和:6019

約数の個数: 72

約数和(自身を含む): 58850064

約数和(自身を除く): 40529844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 5987, 11974, 17961, 23948, 29935, 35922, 53883, 59870, 71844, 89805, 101779, 107766, 119740, 179610, 203558, 215532, 269415, 305337, 359220, 407116, 508895, 538830, 610674, 916011, 1017790, 1077660, 1221348, 1526685, 1832022, 2035580, 3053370, 3664044, 4580055, 6106740, 9160110, 18320220]

約数ペア:

[(1, 18320220), (2, 9160110), (3, 6106740), (4, 4580055), (5, 3664044), (6, 3053370), (9, 2035580), (10, 1832022), (12, 1526685), (15, 1221348), (17, 1077660), (18, 1017790), (20, 916011), (30, 610674), (34, 538830), (36, 508895), (45, 407116), (51, 359220), (60, 305337), (68, 269415), (85, 215532), (90, 203558), (102, 179610), (153, 119740), (170, 107766), (180, 101779), (204, 89805), (255, 71844), (306, 59870), (340, 53883), (510, 35922), (612, 29935), (765, 23948), (1020, 17961), (1530, 11974), (3060, 5987)]