2061990

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{1091}}^1$

素因数の和:1114

約数の個数: 64

約数和(自身を含む): 6289920

約数和(自身を除く): 4227930

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1091, 1890, 2182, 3273, 5455, 6546, 7637, 9819, 10910, 15274, 16365, 19638, 22911, 29457, 32730, 38185, 45822, 49095, 58914, 68733, 76370, 98190, 114555, 137466, 147285, 206199, 229110, 294570, 343665, 412398, 687330, 1030995, 2061990]

約数ペア:

[(1, 2061990), (2, 1030995), (3, 687330), (5, 412398), (6, 343665), (7, 294570), (9, 229110), (10, 206199), (14, 147285), (15, 137466), (18, 114555), (21, 98190), (27, 76370), (30, 68733), (35, 58914), (42, 49095), (45, 45822), (54, 38185), (63, 32730), (70, 29457), (90, 22911), (105, 19638), (126, 16365), (135, 15274), (189, 10910), (210, 9819), (270, 7637), (315, 6546), (378, 5455), (630, 3273), (945, 2182), (1091, 1890)]