1881180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1493}}^1$

素因数の和:1515

約数の個数: 72

約数和(自身を含む): 6525792

約数和(自身を除く): 4644612

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 1493, 2986, 4479, 5972, 7465, 8958, 10451, 13437, 14930, 17916, 20902, 22395, 26874, 29860, 31353, 41804, 44790, 52255, 53748, 62706, 67185, 89580, 94059, 104510, 125412, 134370, 156765, 188118, 209020, 268740, 313530, 376236, 470295, 627060, 940590, 1881180]

約数ペア:

[(1, 1881180), (2, 940590), (3, 627060), (4, 470295), (5, 376236), (6, 313530), (7, 268740), (9, 209020), (10, 188118), (12, 156765), (14, 134370), (15, 125412), (18, 104510), (20, 94059), (21, 89580), (28, 67185), (30, 62706), (35, 53748), (36, 52255), (42, 44790), (45, 41804), (60, 31353), (63, 29860), (70, 26874), (84, 22395), (90, 20902), (105, 17916), (126, 14930), (140, 13437), (180, 10451), (210, 8958), (252, 7465), (315, 5972), (420, 4479), (630, 2986), (1260, 1493)]