127438720

素因数分解:

$2^7\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1151}}^1$

素因数の和:1343

約数の個数: 64

約数和(自身を含む): 306685440

約数和(自身を除く): 179246720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 173, 320, 346, 640, 692, 865, 1151, 1384, 1730, 2302, 2768, 3460, 4604, 5536, 5755, 6920, 9208, 11072, 11510, 13840, 18416, 22144, 23020, 27680, 36832, 46040, 55360, 73664, 92080, 110720, 147328, 184160, 199123, 368320, 398246, 736640, 796492, 995615, 1592984, 1991230, 3185968, 3982460, 6371936, 7964920, 12743872, 15929840, 25487744, 31859680, 63719360, 127438720]

約数ペア:

[(1, 127438720), (2, 63719360), (4, 31859680), (5, 25487744), (8, 15929840), (10, 12743872), (16, 7964920), (20, 6371936), (32, 3982460), (40, 3185968), (64, 1991230), (80, 1592984), (128, 995615), (160, 796492), (173, 736640), (320, 398246), (346, 368320), (640, 199123), (692, 184160), (865, 147328), (1151, 110720), (1384, 92080), (1730, 73664), (2302, 55360), (2768, 46040), (3460, 36832), (4604, 27680), (5536, 23020), (5755, 22144), (6920, 18416), (9208, 13840), (11072, 11510)]