65466880

素因数分解:

$2^9\times 5^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:369

約数の個数: 80

約数和(自身を含む): 159096960

約数和(自身を除く): 93630080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 128, 160, 214, 239, 256, 320, 428, 478, 512, 535, 640, 856, 956, 1070, 1195, 1280, 1712, 1912, 2140, 2390, 2560, 3424, 3824, 4280, 4780, 6848, 7648, 8560, 9560, 13696, 15296, 17120, 19120, 25573, 27392, 30592, 34240, 38240, 51146, 54784, 61184, 68480, 76480, 102292, 122368, 127865, 136960, 152960, 204584, 255730, 273920, 305920, 409168, 511460, 611840, 818336, 1022920, 1636672, 2045840, 3273344, 4091680, 6546688, 8183360, 13093376, 16366720, 32733440, 65466880]

約数ペア:

[(1, 65466880), (2, 32733440), (4, 16366720), (5, 13093376), (8, 8183360), (10, 6546688), (16, 4091680), (20, 3273344), (32, 2045840), (40, 1636672), (64, 1022920), (80, 818336), (107, 611840), (128, 511460), (160, 409168), (214, 305920), (239, 273920), (256, 255730), (320, 204584), (428, 152960), (478, 136960), (512, 127865), (535, 122368), (640, 102292), (856, 76480), (956, 68480), (1070, 61184), (1195, 54784), (1280, 51146), (1712, 38240), (1912, 34240), (2140, 30592), (2390, 27392), (2560, 25573), (3424, 19120), (3824, 17120), (4280, 15296), (4780, 13696), (6848, 9560), (7648, 8560)]