1990853280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{106349}}^1$

素因数の和:106383

約数の個数: 144

約数和(自身を含む): 7316454600

約数和(自身を除く): 5325601320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 3120, 3744, 4680, 6240, 9360, 18720, 106349, 212698, 319047, 425396, 531745, 638094, 850792, 957141, 1063490, 1276188, 1382537, 1595235, 1701584, 1914282, 2126980, 2552376, 2765074, 3190470, 3403168, 3828564, 4147611, 4253960, 4785705, 5104752, 5530148, 6380940, 6912685, 7657128, 8295222, 8507920, 9571410, 10209504, 11060296, 12442833, 12761880, 13825370, 15314256, 16590444, 17015840, 19142820, 20738055, 22120592, 24885666, 25523760, 27650740, 30628512, 33180888, 38285640, 41476110, 44241184, 49771332, 51047520, 55301480, 62214165, 66361776, 76571280, 82952220, 99542664, 110602960, 124428330, 132723552, 153142560, 165904440, 199085328, 221205920, 248856660, 331808880, 398170656, 497713320, 663617760, 995426640, 1990853280]

約数ペア:

[(1, 1990853280), (2, 995426640), (3, 663617760), (4, 497713320), (5, 398170656), (6, 331808880), (8, 248856660), (9, 221205920), (10, 199085328), (12, 165904440), (13, 153142560), (15, 132723552), (16, 124428330), (18, 110602960), (20, 99542664), (24, 82952220), (26, 76571280), (30, 66361776), (32, 62214165), (36, 55301480), (39, 51047520), (40, 49771332), (45, 44241184), (48, 41476110), (52, 38285640), (60, 33180888), (65, 30628512), (72, 27650740), (78, 25523760), (80, 24885666), (90, 22120592), (96, 20738055), (104, 19142820), (117, 17015840), (120, 16590444), (130, 15314256), (144, 13825370), (156, 12761880), (160, 12442833), (180, 11060296), (195, 10209504), (208, 9571410), (234, 8507920), (240, 8295222), (260, 7657128), (288, 6912685), (312, 6380940), (360, 5530148), (390, 5104752), (416, 4785705), (468, 4253960), (480, 4147611), (520, 3828564), (585, 3403168), (624, 3190470), (720, 2765074), (780, 2552376), (936, 2126980), (1040, 1914282), (1170, 1701584), (1248, 1595235), (1440, 1382537), (1560, 1276188), (1872, 1063490), (2080, 957141), (2340, 850792), (3120, 638094), (3744, 531745), (4680, 425396), (6240, 319047), (9360, 212698), (18720, 106349)]