18792720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{607}}^1$

素因数の和:669

約数の個数: 120

約数和(自身を含む): 64686336

約数和(自身を除く): 45893616

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 120, 129, 144, 172, 180, 215, 240, 258, 344, 360, 387, 430, 516, 607, 645, 688, 720, 774, 860, 1032, 1214, 1290, 1548, 1720, 1821, 1935, 2064, 2428, 2580, 3035, 3096, 3440, 3642, 3870, 4856, 5160, 5463, 6070, 6192, 7284, 7740, 9105, 9712, 10320, 10926, 12140, 14568, 15480, 18210, 21852, 24280, 26101, 27315, 29136, 30960, 36420, 43704, 48560, 52202, 54630, 72840, 78303, 87408, 104404, 109260, 130505, 145680, 156606, 208808, 218520, 234909, 261010, 313212, 391515, 417616, 437040, 469818, 522020, 626424, 783030, 939636, 1044040, 1174545, 1252848, 1566060, 1879272, 2088080, 2349090, 3132120, 3758544, 4698180, 6264240, 9396360, 18792720]

約数ペア:

[(1, 18792720), (2, 9396360), (3, 6264240), (4, 4698180), (5, 3758544), (6, 3132120), (8, 2349090), (9, 2088080), (10, 1879272), (12, 1566060), (15, 1252848), (16, 1174545), (18, 1044040), (20, 939636), (24, 783030), (30, 626424), (36, 522020), (40, 469818), (43, 437040), (45, 417616), (48, 391515), (60, 313212), (72, 261010), (80, 234909), (86, 218520), (90, 208808), (120, 156606), (129, 145680), (144, 130505), (172, 109260), (180, 104404), (215, 87408), (240, 78303), (258, 72840), (344, 54630), (360, 52202), (387, 48560), (430, 43704), (516, 36420), (607, 30960), (645, 29136), (688, 27315), (720, 26101), (774, 24280), (860, 21852), (1032, 18210), (1214, 15480), (1290, 14568), (1548, 12140), (1720, 10926), (1821, 10320), (1935, 9712), (2064, 9105), (2428, 7740), (2580, 7284), (3035, 6192), (3096, 6070), (3440, 5463), (3642, 5160), (3870, 4856)]