661942140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{1723}}^1$

素因数の和:2091

約数の個数: 96

約数和(自身を含む): 1957912320

約数和(自身を除く): 1295970180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 337, 380, 570, 674, 1011, 1140, 1348, 1685, 1723, 2022, 3370, 3446, 4044, 5055, 5169, 6403, 6740, 6892, 8615, 10110, 10338, 12806, 17230, 19209, 20220, 20676, 25612, 25845, 32015, 32737, 34460, 38418, 51690, 64030, 65474, 76836, 96045, 98211, 103380, 128060, 130948, 163685, 192090, 196422, 327370, 384180, 392844, 491055, 580651, 654740, 982110, 1161302, 1741953, 1964220, 2322604, 2903255, 3483906, 5806510, 6967812, 8709765, 11032369, 11613020, 17419530, 22064738, 33097107, 34839060, 44129476, 55161845, 66194214, 110323690, 132388428, 165485535, 220647380, 330971070, 661942140]

約数ペア:

[(1, 661942140), (2, 330971070), (3, 220647380), (4, 165485535), (5, 132388428), (6, 110323690), (10, 66194214), (12, 55161845), (15, 44129476), (19, 34839060), (20, 33097107), (30, 22064738), (38, 17419530), (57, 11613020), (60, 11032369), (76, 8709765), (95, 6967812), (114, 5806510), (190, 3483906), (228, 2903255), (285, 2322604), (337, 1964220), (380, 1741953), (570, 1161302), (674, 982110), (1011, 654740), (1140, 580651), (1348, 491055), (1685, 392844), (1723, 384180), (2022, 327370), (3370, 196422), (3446, 192090), (4044, 163685), (5055, 130948), (5169, 128060), (6403, 103380), (6740, 98211), (6892, 96045), (8615, 76836), (10110, 65474), (10338, 64030), (12806, 51690), (17230, 38418), (19209, 34460), (20220, 32737), (20676, 32015), (25612, 25845)]