78315520

素因数分解:

$2^{16}\times 5^1\times {\mathrm{239}}^1$

素因数の和:276

約数の個数: 68

約数和(自身を含む): 188742240

約数和(自身を除く): 110426720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 239, 256, 320, 478, 512, 640, 956, 1024, 1195, 1280, 1912, 2048, 2390, 2560, 3824, 4096, 4780, 5120, 7648, 8192, 9560, 10240, 15296, 16384, 19120, 20480, 30592, 32768, 38240, 40960, 61184, 65536, 76480, 81920, 122368, 152960, 163840, 244736, 305920, 327680, 489472, 611840, 978944, 1223680, 1957888, 2447360, 3915776, 4894720, 7831552, 9789440, 15663104, 19578880, 39157760, 78315520]

約数ペア:

[(1, 78315520), (2, 39157760), (4, 19578880), (5, 15663104), (8, 9789440), (10, 7831552), (16, 4894720), (20, 3915776), (32, 2447360), (40, 1957888), (64, 1223680), (80, 978944), (128, 611840), (160, 489472), (239, 327680), (256, 305920), (320, 244736), (478, 163840), (512, 152960), (640, 122368), (956, 81920), (1024, 76480), (1195, 65536), (1280, 61184), (1912, 40960), (2048, 38240), (2390, 32768), (2560, 30592), (3824, 20480), (4096, 19120), (4780, 16384), (5120, 15296), (7648, 10240), (8192, 9560)]