156631040

素因数分解:

$2^{17}\times 5^1\times {\mathrm{239}}^1$

素因数の和:278

約数の個数: 72

約数和(自身を含む): 377485920

約数和(自身を除く): 220854880

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, 131072, 152960, 163840, 244736, 305920, 327680, 489472, 611840, 655360, 978944, 1223680, 1957888, 2447360, 3915776, 4894720, 7831552, 9789440, 15663104, 19578880, 31326208, 39157760, 78315520, 156631040]

約数ペア:

[(1, 156631040), (2, 78315520), (4, 39157760), (5, 31326208), (8, 19578880), (10, 15663104), (16, 9789440), (20, 7831552), (32, 4894720), (40, 3915776), (64, 2447360), (80, 1957888), (128, 1223680), (160, 978944), (239, 655360), (256, 611840), (320, 489472), (478, 327680), (512, 305920), (640, 244736), (956, 163840), (1024, 152960), (1195, 131072), (1280, 122368), (1912, 81920), (2048, 76480), (2390, 65536), (2560, 61184), (3824, 40960), (4096, 38240), (4780, 32768), (5120, 30592), (7648, 20480), (8192, 19120), (9560, 16384), (10240, 15296)]