217182720

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{28279}}^1$

素因数の和:28305

約数の個数: 80

約数和(自身を含む): 694330560

約数和(自身を除く): 477147840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 28279, 56558, 84837, 113116, 141395, 169674, 226232, 282790, 339348, 424185, 452464, 565580, 678696, 848370, 904928, 1131160, 1357392, 1696740, 1809856, 2262320, 2714784, 3393480, 3619712, 4524640, 5429568, 6786960, 7239424, 9049280, 10859136, 13573920, 14478848, 18098560, 21718272, 27147840, 36197120, 43436544, 54295680, 72394240, 108591360, 217182720]

約数ペア:

[(1, 217182720), (2, 108591360), (3, 72394240), (4, 54295680), (5, 43436544), (6, 36197120), (8, 27147840), (10, 21718272), (12, 18098560), (15, 14478848), (16, 13573920), (20, 10859136), (24, 9049280), (30, 7239424), (32, 6786960), (40, 5429568), (48, 4524640), (60, 3619712), (64, 3393480), (80, 2714784), (96, 2262320), (120, 1809856), (128, 1696740), (160, 1357392), (192, 1131160), (240, 904928), (256, 848370), (320, 678696), (384, 565580), (480, 452464), (512, 424185), (640, 339348), (768, 282790), (960, 226232), (1280, 169674), (1536, 141395), (1920, 113116), (2560, 84837), (3840, 56558), (7680, 28279)]