64809840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{281}}^1$

素因数の和:359

約数の個数: 120

約数和(自身を含む): 208339344

約数和(自身を除く): 143529504

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 281, 310, 372, 465, 496, 562, 620, 744, 843, 930, 961, 1124, 1240, 1405, 1488, 1686, 1860, 1922, 2248, 2480, 2810, 2883, 3372, 3720, 3844, 4215, 4496, 4805, 5620, 5766, 6744, 7440, 7688, 8430, 8711, 9610, 11240, 11532, 13488, 14415, 15376, 16860, 17422, 19220, 22480, 23064, 26133, 28830, 33720, 34844, 38440, 43555, 46128, 52266, 57660, 67440, 69688, 76880, 87110, 104532, 115320, 130665, 139376, 174220, 209064, 230640, 261330, 270041, 348440, 418128, 522660, 540082, 696880, 810123, 1045320, 1080164, 1350205, 1620246, 2090640, 2160328, 2700410, 3240492, 4050615, 4320656, 5400820, 6480984, 8101230, 10801640, 12961968, 16202460, 21603280, 32404920, 64809840]

約数ペア:

[(1, 64809840), (2, 32404920), (3, 21603280), (4, 16202460), (5, 12961968), (6, 10801640), (8, 8101230), (10, 6480984), (12, 5400820), (15, 4320656), (16, 4050615), (20, 3240492), (24, 2700410), (30, 2160328), (31, 2090640), (40, 1620246), (48, 1350205), (60, 1080164), (62, 1045320), (80, 810123), (93, 696880), (120, 540082), (124, 522660), (155, 418128), (186, 348440), (240, 270041), (248, 261330), (281, 230640), (310, 209064), (372, 174220), (465, 139376), (496, 130665), (562, 115320), (620, 104532), (744, 87110), (843, 76880), (930, 69688), (961, 67440), (1124, 57660), (1240, 52266), (1405, 46128), (1488, 43555), (1686, 38440), (1860, 34844), (1922, 33720), (2248, 28830), (2480, 26133), (2810, 23064), (2883, 22480), (3372, 19220), (3720, 17422), (3844, 16860), (4215, 15376), (4496, 14415), (4805, 13488), (5620, 11532), (5766, 11240), (6744, 9610), (7440, 8711), (7688, 8430)]