145827920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{37201}}^1$

素因数の和:37228

約数の個数: 60

約数和(自身を含む): 394415604

約数和(自身を除く): 248587684

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 37201, 74402, 148804, 186005, 260407, 297608, 372010, 520814, 595216, 744020, 1041628, 1302035, 1488040, 1822849, 2083256, 2604070, 2976080, 3645698, 4166512, 5208140, 7291396, 9114245, 10416280, 14582792, 18228490, 20832560, 29165584, 36456980, 72913960, 145827920]

約数ペア:

[(1, 145827920), (2, 72913960), (4, 36456980), (5, 29165584), (7, 20832560), (8, 18228490), (10, 14582792), (14, 10416280), (16, 9114245), (20, 7291396), (28, 5208140), (35, 4166512), (40, 3645698), (49, 2976080), (56, 2604070), (70, 2083256), (80, 1822849), (98, 1488040), (112, 1302035), (140, 1041628), (196, 744020), (245, 595216), (280, 520814), (392, 372010), (490, 297608), (560, 260407), (784, 186005), (980, 148804), (1960, 74402), (3920, 37201)]