30257920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1$

素因数の和:346

約数の個数: 144

約数和(自身を含む): 90655488

約数和(自身を除く): 60397568

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 256, 280, 307, 308, 320, 352, 385, 440, 448, 560, 614, 616, 640, 704, 770, 880, 896, 1120, 1228, 1232, 1280, 1408, 1535, 1540, 1760, 1792, 2149, 2240, 2456, 2464, 2816, 3070, 3080, 3377, 3520, 4298, 4480, 4912, 4928, 6140, 6160, 6754, 7040, 8596, 8960, 9824, 9856, 10745, 12280, 12320, 13508, 14080, 16885, 17192, 19648, 19712, 21490, 23639, 24560, 24640, 27016, 33770, 34384, 39296, 42980, 47278, 49120, 49280, 54032, 67540, 68768, 78592, 85960, 94556, 98240, 98560, 108064, 118195, 135080, 137536, 171920, 189112, 196480, 216128, 236390, 270160, 275072, 343840, 378224, 392960, 432256, 472780, 540320, 550144, 687680, 756448, 864512, 945560, 1080640, 1375360, 1512896, 1891120, 2161280, 2750720, 3025792, 3782240, 4322560, 6051584, 7564480, 15128960, 30257920]

約数ペア:

[(1, 30257920), (2, 15128960), (4, 7564480), (5, 6051584), (7, 4322560), (8, 3782240), (10, 3025792), (11, 2750720), (14, 2161280), (16, 1891120), (20, 1512896), (22, 1375360), (28, 1080640), (32, 945560), (35, 864512), (40, 756448), (44, 687680), (55, 550144), (56, 540320), (64, 472780), (70, 432256), (77, 392960), (80, 378224), (88, 343840), (110, 275072), (112, 270160), (128, 236390), (140, 216128), (154, 196480), (160, 189112), (176, 171920), (220, 137536), (224, 135080), (256, 118195), (280, 108064), (307, 98560), (308, 98240), (320, 94556), (352, 85960), (385, 78592), (440, 68768), (448, 67540), (560, 54032), (614, 49280), (616, 49120), (640, 47278), (704, 42980), (770, 39296), (880, 34384), (896, 33770), (1120, 27016), (1228, 24640), (1232, 24560), (1280, 23639), (1408, 21490), (1535, 19712), (1540, 19648), (1760, 17192), (1792, 16885), (2149, 14080), (2240, 13508), (2456, 12320), (2464, 12280), (2816, 10745), (3070, 9856), (3080, 9824), (3377, 8960), (3520, 8596), (4298, 7040), (4480, 6754), (4912, 6160), (4928, 6140)]