661951080

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{757}}^1$

素因数の和:1128

約数の個数: 192

約数和(自身を含む): 2469018240

約数和(自身を除く): 1807067160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 347, 360, 420, 504, 630, 694, 757, 840, 1041, 1260, 1388, 1514, 1735, 2082, 2271, 2429, 2520, 2776, 3028, 3123, 3470, 3785, 4164, 4542, 4858, 5205, 5299, 6056, 6246, 6813, 6940, 7287, 7570, 8328, 9084, 9716, 10410, 10598, 11355, 12145, 12492, 13626, 13880, 14574, 15140, 15615, 15897, 18168, 19432, 20820, 21196, 21861, 22710, 24290, 24984, 26495, 27252, 29148, 30280, 31230, 31794, 34065, 36435, 41640, 42392, 43722, 45420, 47691, 48580, 52990, 54504, 58296, 62460, 63588, 68130, 72870, 79485, 87444, 90840, 95382, 97160, 105980, 109305, 124920, 127176, 136260, 145740, 158970, 174888, 190764, 211960, 218610, 238455, 262679, 272520, 291480, 317940, 381528, 437220, 476910, 525358, 635880, 788037, 874440, 953820, 1050716, 1313395, 1576074, 1838753, 1907640, 2101432, 2364111, 2626790, 3152148, 3677506, 3940185, 4728222, 5253580, 5516259, 6304296, 7355012, 7880370, 9193765, 9456444, 10507160, 11032518, 11820555, 14710024, 15760740, 16548777, 18387530, 18912888, 22065036, 23641110, 27581295, 31521480, 33097554, 36775060, 44130072, 47282220, 55162590, 66195108, 73550120, 82743885, 94564440, 110325180, 132390216, 165487770, 220650360, 330975540, 661951080]

約数ペア:

[(1, 661951080), (2, 330975540), (3, 220650360), (4, 165487770), (5, 132390216), (6, 110325180), (7, 94564440), (8, 82743885), (9, 73550120), (10, 66195108), (12, 55162590), (14, 47282220), (15, 44130072), (18, 36775060), (20, 33097554), (21, 31521480), (24, 27581295), (28, 23641110), (30, 22065036), (35, 18912888), (36, 18387530), (40, 16548777), (42, 15760740), (45, 14710024), (56, 11820555), (60, 11032518), (63, 10507160), (70, 9456444), (72, 9193765), (84, 7880370), (90, 7355012), (105, 6304296), (120, 5516259), (126, 5253580), (140, 4728222), (168, 3940185), (180, 3677506), (210, 3152148), (252, 2626790), (280, 2364111), (315, 2101432), (347, 1907640), (360, 1838753), (420, 1576074), (504, 1313395), (630, 1050716), (694, 953820), (757, 874440), (840, 788037), (1041, 635880), (1260, 525358), (1388, 476910), (1514, 437220), (1735, 381528), (2082, 317940), (2271, 291480), (2429, 272520), (2520, 262679), (2776, 238455), (3028, 218610), (3123, 211960), (3470, 190764), (3785, 174888), (4164, 158970), (4542, 145740), (4858, 136260), (5205, 127176), (5299, 124920), (6056, 109305), (6246, 105980), (6813, 97160), (6940, 95382), (7287, 90840), (7570, 87444), (8328, 79485), (9084, 72870), (9716, 68130), (10410, 63588), (10598, 62460), (11355, 58296), (12145, 54504), (12492, 52990), (13626, 48580), (13880, 47691), (14574, 45420), (15140, 43722), (15615, 42392), (15897, 41640), (18168, 36435), (19432, 34065), (20820, 31794), (21196, 31230), (21861, 30280), (22710, 29148), (24290, 27252), (24984, 26495)]