27790720

素因数分解:

$2^7\times 5^1\times {\mathrm{173}}^1\times {\mathrm{251}}^1$

素因数の和:443

約数の個数: 64

約数和(自身を含む): 67087440

約数和(自身を除く): 39296720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 173, 251, 320, 346, 502, 640, 692, 865, 1004, 1255, 1384, 1730, 2008, 2510, 2768, 3460, 4016, 5020, 5536, 6920, 8032, 10040, 11072, 13840, 16064, 20080, 22144, 27680, 32128, 40160, 43423, 55360, 80320, 86846, 110720, 160640, 173692, 217115, 347384, 434230, 694768, 868460, 1389536, 1736920, 2779072, 3473840, 5558144, 6947680, 13895360, 27790720]

約数ペア:

[(1, 27790720), (2, 13895360), (4, 6947680), (5, 5558144), (8, 3473840), (10, 2779072), (16, 1736920), (20, 1389536), (32, 868460), (40, 694768), (64, 434230), (80, 347384), (128, 217115), (160, 173692), (173, 160640), (251, 110720), (320, 86846), (346, 80320), (502, 55360), (640, 43423), (692, 40160), (865, 32128), (1004, 27680), (1255, 22144), (1384, 20080), (1730, 16064), (2008, 13840), (2510, 11072), (2768, 10040), (3460, 8032), (4016, 6920), (5020, 5536)]