878940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 2817360

約数和(自身を除く): 1938420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 257, 285, 342, 380, 514, 570, 684, 771, 855, 1028, 1140, 1285, 1542, 1710, 2313, 2570, 3084, 3420, 3855, 4626, 4883, 5140, 7710, 9252, 9766, 11565, 14649, 15420, 19532, 23130, 24415, 29298, 43947, 46260, 48830, 58596, 73245, 87894, 97660, 146490, 175788, 219735, 292980, 439470, 878940]

約数ペア:

[(1, 878940), (2, 439470), (3, 292980), (4, 219735), (5, 175788), (6, 146490), (9, 97660), (10, 87894), (12, 73245), (15, 58596), (18, 48830), (19, 46260), (20, 43947), (30, 29298), (36, 24415), (38, 23130), (45, 19532), (57, 15420), (60, 14649), (76, 11565), (90, 9766), (95, 9252), (114, 7710), (171, 5140), (180, 4883), (190, 4626), (228, 3855), (257, 3420), (285, 3084), (342, 2570), (380, 2313), (514, 1710), (570, 1542), (684, 1285), (771, 1140), (855, 1028)]