20988017040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{503}}^1\times {\mathrm{7559}}^1$

素因数の和:8101

約数の個数: 160

約数和(自身を含む): 68035645440

約数和(自身を除く): 47047628400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 503, 552, 690, 920, 1006, 1104, 1380, 1509, 1840, 2012, 2515, 2760, 3018, 4024, 5030, 5520, 6036, 7545, 7559, 8048, 10060, 11569, 12072, 15090, 15118, 20120, 22677, 23138, 24144, 30180, 30236, 34707, 37795, 40240, 45354, 46276, 57845, 60360, 60472, 69414, 75590, 90708, 92552, 113385, 115690, 120720, 120944, 138828, 151180, 173535, 173857, 181416, 185104, 226770, 231380, 277656, 302360, 347070, 347714, 362832, 453540, 462760, 521571, 555312, 604720, 694140, 695428, 869285, 907080, 925520, 1043142, 1388280, 1390856, 1738570, 1814160, 2086284, 2607855, 2776560, 2781712, 3477140, 3802177, 4172568, 5215710, 6954280, 7604354, 8345136, 10431420, 11406531, 13908560, 15208708, 19010885, 20862840, 22813062, 30417416, 38021770, 41725680, 45626124, 57032655, 60834832, 76043540, 87450071, 91252248, 114065310, 152087080, 174900142, 182504496, 228130620, 262350213, 304174160, 349800284, 437250355, 456261240, 524700426, 699600568, 874500710, 912522480, 1049400852, 1311751065, 1399201136, 1749001420, 2098801704, 2623502130, 3498002840, 4197603408, 5247004260, 6996005680, 10494008520, 20988017040]

約数ペア:

[(1, 20988017040), (2, 10494008520), (3, 6996005680), (4, 5247004260), (5, 4197603408), (6, 3498002840), (8, 2623502130), (10, 2098801704), (12, 1749001420), (15, 1399201136), (16, 1311751065), (20, 1049400852), (23, 912522480), (24, 874500710), (30, 699600568), (40, 524700426), (46, 456261240), (48, 437250355), (60, 349800284), (69, 304174160), (80, 262350213), (92, 228130620), (115, 182504496), (120, 174900142), (138, 152087080), (184, 114065310), (230, 91252248), (240, 87450071), (276, 76043540), (345, 60834832), (368, 57032655), (460, 45626124), (503, 41725680), (552, 38021770), (690, 30417416), (920, 22813062), (1006, 20862840), (1104, 19010885), (1380, 15208708), (1509, 13908560), (1840, 11406531), (2012, 10431420), (2515, 8345136), (2760, 7604354), (3018, 6954280), (4024, 5215710), (5030, 4172568), (5520, 3802177), (6036, 3477140), (7545, 2781712), (7559, 2776560), (8048, 2607855), (10060, 2086284), (11569, 1814160), (12072, 1738570), (15090, 1390856), (15118, 1388280), (20120, 1043142), (22677, 925520), (23138, 907080), (24144, 869285), (30180, 695428), (30236, 694140), (34707, 604720), (37795, 555312), (40240, 521571), (45354, 462760), (46276, 453540), (57845, 362832), (60360, 347714), (60472, 347070), (69414, 302360), (75590, 277656), (90708, 231380), (92552, 226770), (113385, 185104), (115690, 181416), (120720, 173857), (120944, 173535), (138828, 151180)]