488568320

素因数分解:

$2^9\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1373}}^1$

素因数の和:1535

約数の個数: 80

約数和(自身を含む): 1180705680

約数和(自身を除く): 692137360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 256, 278, 320, 512, 556, 640, 695, 1112, 1280, 1373, 1390, 2224, 2560, 2746, 2780, 4448, 5492, 5560, 6865, 8896, 10984, 11120, 13730, 17792, 21968, 22240, 27460, 35584, 43936, 44480, 54920, 71168, 87872, 88960, 109840, 175744, 177920, 190847, 219680, 351488, 355840, 381694, 439360, 702976, 763388, 878720, 954235, 1526776, 1757440, 1908470, 3053552, 3514880, 3816940, 6107104, 7633880, 12214208, 15267760, 24428416, 30535520, 48856832, 61071040, 97713664, 122142080, 244284160, 488568320]

約数ペア:

[(1, 488568320), (2, 244284160), (4, 122142080), (5, 97713664), (8, 61071040), (10, 48856832), (16, 30535520), (20, 24428416), (32, 15267760), (40, 12214208), (64, 7633880), (80, 6107104), (128, 3816940), (139, 3514880), (160, 3053552), (256, 1908470), (278, 1757440), (320, 1526776), (512, 954235), (556, 878720), (640, 763388), (695, 702976), (1112, 439360), (1280, 381694), (1373, 355840), (1390, 351488), (2224, 219680), (2560, 190847), (2746, 177920), (2780, 175744), (4448, 109840), (5492, 88960), (5560, 87872), (6865, 71168), (8896, 54920), (10984, 44480), (11120, 43936), (13730, 35584), (17792, 27460), (21968, 22240)]