388991680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{15787}}^1$

素因数の和:15822

約数の個数: 112

約数和(自身を含む): 1154923776

約数和(自身を除く): 765932096

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, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 704, 770, 880, 1120, 1232, 1540, 1760, 2240, 2464, 3080, 3520, 4928, 6160, 12320, 15787, 24640, 31574, 63148, 78935, 110509, 126296, 157870, 173657, 221018, 252592, 315740, 347314, 442036, 505184, 552545, 631480, 694628, 868285, 884072, 1010368, 1105090, 1215599, 1262960, 1389256, 1736570, 1768144, 2210180, 2431198, 2525920, 2778512, 3473140, 3536288, 4420360, 4862396, 5051840, 5557024, 6077995, 6946280, 7072576, 8840720, 9724792, 11114048, 12155990, 13892560, 17681440, 19449584, 24311980, 27785120, 35362880, 38899168, 48623960, 55570240, 77798336, 97247920, 194495840, 388991680]

約数ペア:

[(1, 388991680), (2, 194495840), (4, 97247920), (5, 77798336), (7, 55570240), (8, 48623960), (10, 38899168), (11, 35362880), (14, 27785120), (16, 24311980), (20, 19449584), (22, 17681440), (28, 13892560), (32, 12155990), (35, 11114048), (40, 9724792), (44, 8840720), (55, 7072576), (56, 6946280), (64, 6077995), (70, 5557024), (77, 5051840), (80, 4862396), (88, 4420360), (110, 3536288), (112, 3473140), (140, 2778512), (154, 2525920), (160, 2431198), (176, 2210180), (220, 1768144), (224, 1736570), (280, 1389256), (308, 1262960), (320, 1215599), (352, 1105090), (385, 1010368), (440, 884072), (448, 868285), (560, 694628), (616, 631480), (704, 552545), (770, 505184), (880, 442036), (1120, 347314), (1232, 315740), (1540, 252592), (1760, 221018), (2240, 173657), (2464, 157870), (3080, 126296), (3520, 110509), (4928, 78935), (6160, 63148), (12320, 31574), (15787, 24640)]