15666064640

素因数分解:

$2^8\times 5^1\times {\mathrm{397}}^1\times {\mathrm{30829}}^1$

素因数の和:31247

約数の個数: 72

約数和(自身を含む): 37620862440

約数和(自身を除く): 21954797800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 397, 640, 794, 1280, 1588, 1985, 3176, 3970, 6352, 7940, 12704, 15880, 25408, 30829, 31760, 50816, 61658, 63520, 101632, 123316, 127040, 154145, 246632, 254080, 308290, 493264, 508160, 616580, 986528, 1233160, 1973056, 2466320, 3946112, 4932640, 7892224, 9865280, 12239113, 19730560, 24478226, 39461120, 48956452, 61195565, 97912904, 122391130, 195825808, 244782260, 391651616, 489564520, 783303232, 979129040, 1566606464, 1958258080, 3133212928, 3916516160, 7833032320, 15666064640]

約数ペア:

[(1, 15666064640), (2, 7833032320), (4, 3916516160), (5, 3133212928), (8, 1958258080), (10, 1566606464), (16, 979129040), (20, 783303232), (32, 489564520), (40, 391651616), (64, 244782260), (80, 195825808), (128, 122391130), (160, 97912904), (256, 61195565), (320, 48956452), (397, 39461120), (640, 24478226), (794, 19730560), (1280, 12239113), (1588, 9865280), (1985, 7892224), (3176, 4932640), (3970, 3946112), (6352, 2466320), (7940, 1973056), (12704, 1233160), (15880, 986528), (25408, 616580), (30829, 508160), (31760, 493264), (50816, 308290), (61658, 254080), (63520, 246632), (101632, 154145), (123316, 127040)]