19841520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1759}}^1$

素因数の和:1822

約数の個数: 80

約数和(自身を含む): 62853120

約数和(自身を除く): 43011600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 47, 48, 60, 80, 94, 120, 141, 188, 235, 240, 282, 376, 470, 564, 705, 752, 940, 1128, 1410, 1759, 1880, 2256, 2820, 3518, 3760, 5277, 5640, 7036, 8795, 10554, 11280, 14072, 17590, 21108, 26385, 28144, 35180, 42216, 52770, 70360, 82673, 84432, 105540, 140720, 165346, 211080, 248019, 330692, 413365, 422160, 496038, 661384, 826730, 992076, 1240095, 1322768, 1653460, 1984152, 2480190, 3306920, 3968304, 4960380, 6613840, 9920760, 19841520]

約数ペア:

[(1, 19841520), (2, 9920760), (3, 6613840), (4, 4960380), (5, 3968304), (6, 3306920), (8, 2480190), (10, 1984152), (12, 1653460), (15, 1322768), (16, 1240095), (20, 992076), (24, 826730), (30, 661384), (40, 496038), (47, 422160), (48, 413365), (60, 330692), (80, 248019), (94, 211080), (120, 165346), (141, 140720), (188, 105540), (235, 84432), (240, 82673), (282, 70360), (376, 52770), (470, 42216), (564, 35180), (705, 28144), (752, 26385), (940, 21108), (1128, 17590), (1410, 14072), (1759, 11280), (1880, 10554), (2256, 8795), (2820, 7036), (3518, 5640), (3760, 5277)]