518940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31}}^2$

素因数の和:80

約数の個数: 72

約数和(自身を含む): 1668240

約数和(自身を除く): 1149300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 90, 93, 108, 124, 135, 155, 180, 186, 270, 279, 310, 372, 465, 540, 558, 620, 837, 930, 961, 1116, 1395, 1674, 1860, 1922, 2790, 2883, 3348, 3844, 4185, 4805, 5580, 5766, 8370, 8649, 9610, 11532, 14415, 16740, 17298, 19220, 25947, 28830, 34596, 43245, 51894, 57660, 86490, 103788, 129735, 172980, 259470, 518940]

約数ペア:

[(1, 518940), (2, 259470), (3, 172980), (4, 129735), (5, 103788), (6, 86490), (9, 57660), (10, 51894), (12, 43245), (15, 34596), (18, 28830), (20, 25947), (27, 19220), (30, 17298), (31, 16740), (36, 14415), (45, 11532), (54, 9610), (60, 8649), (62, 8370), (90, 5766), (93, 5580), (108, 4805), (124, 4185), (135, 3844), (155, 3348), (180, 2883), (186, 2790), (270, 1922), (279, 1860), (310, 1674), (372, 1395), (465, 1116), (540, 961), (558, 930), (620, 837)]