42438780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12409}}^1$

素因数の和:12443

約数の個数: 72

約数和(自身を含む): 135517200

約数和(自身を除く): 93078420

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, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 12409, 24818, 37227, 49636, 62045, 74454, 111681, 124090, 148908, 186135, 223362, 235771, 248180, 372270, 446724, 471542, 558405, 707313, 744540, 943084, 1116810, 1178855, 1414626, 2121939, 2233620, 2357710, 2829252, 3536565, 4243878, 4715420, 7073130, 8487756, 10609695, 14146260, 21219390, 42438780]

約数ペア:

[(1, 42438780), (2, 21219390), (3, 14146260), (4, 10609695), (5, 8487756), (6, 7073130), (9, 4715420), (10, 4243878), (12, 3536565), (15, 2829252), (18, 2357710), (19, 2233620), (20, 2121939), (30, 1414626), (36, 1178855), (38, 1116810), (45, 943084), (57, 744540), (60, 707313), (76, 558405), (90, 471542), (95, 446724), (114, 372270), (171, 248180), (180, 235771), (190, 223362), (228, 186135), (285, 148908), (342, 124090), (380, 111681), (570, 74454), (684, 62045), (855, 49636), (1140, 37227), (1710, 24818), (3420, 12409)]