1891120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1$

素因数の和:338

約数の個数: 80

約数和(自身を含む): 5499648

約数和(自身を除く): 3608528

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 307, 308, 385, 440, 560, 614, 616, 770, 880, 1228, 1232, 1535, 1540, 2149, 2456, 3070, 3080, 3377, 4298, 4912, 6140, 6160, 6754, 8596, 10745, 12280, 13508, 16885, 17192, 21490, 23639, 24560, 27016, 33770, 34384, 42980, 47278, 54032, 67540, 85960, 94556, 118195, 135080, 171920, 189112, 236390, 270160, 378224, 472780, 945560, 1891120]

約数ペア:

[(1, 1891120), (2, 945560), (4, 472780), (5, 378224), (7, 270160), (8, 236390), (10, 189112), (11, 171920), (14, 135080), (16, 118195), (20, 94556), (22, 85960), (28, 67540), (35, 54032), (40, 47278), (44, 42980), (55, 34384), (56, 33770), (70, 27016), (77, 24560), (80, 23639), (88, 21490), (110, 17192), (112, 16885), (140, 13508), (154, 12280), (176, 10745), (220, 8596), (280, 6754), (307, 6160), (308, 6140), (385, 4912), (440, 4298), (560, 3377), (614, 3080), (616, 3070), (770, 2456), (880, 2149), (1228, 1540), (1232, 1535)]