681779200

素因数分解:

$2^{13}\times 5^2\times {\mathrm{3329}}^1$

素因数の和:3365

約数の個数: 84

約数和(自身を含む): 1691217090

約数和(自身を除く): 1009437890

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1024, 1280, 1600, 2048, 2560, 3200, 3329, 4096, 5120, 6400, 6658, 8192, 10240, 12800, 13316, 16645, 20480, 25600, 26632, 33290, 40960, 51200, 53264, 66580, 83225, 102400, 106528, 133160, 166450, 204800, 213056, 266320, 332900, 426112, 532640, 665800, 852224, 1065280, 1331600, 1704448, 2130560, 2663200, 3408896, 4261120, 5326400, 6817792, 8522240, 10652800, 13635584, 17044480, 21305600, 27271168, 34088960, 42611200, 68177920, 85222400, 136355840, 170444800, 340889600, 681779200]

約数ペア:

[(1, 681779200), (2, 340889600), (4, 170444800), (5, 136355840), (8, 85222400), (10, 68177920), (16, 42611200), (20, 34088960), (25, 27271168), (32, 21305600), (40, 17044480), (50, 13635584), (64, 10652800), (80, 8522240), (100, 6817792), (128, 5326400), (160, 4261120), (200, 3408896), (256, 2663200), (320, 2130560), (400, 1704448), (512, 1331600), (640, 1065280), (800, 852224), (1024, 665800), (1280, 532640), (1600, 426112), (2048, 332900), (2560, 266320), (3200, 213056), (3329, 204800), (4096, 166450), (5120, 133160), (6400, 106528), (6658, 102400), (8192, 83225), (10240, 66580), (12800, 53264), (13316, 51200), (16645, 40960), (20480, 33290), (25600, 26632)]