61211920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1$

素因数の和:573

約数の個数: 160

約数和(自身を含む): 187130880

約数和(自身を除く): 125918960

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 35, 38, 40, 44, 55, 56, 70, 76, 77, 80, 88, 95, 110, 112, 133, 140, 152, 154, 176, 190, 209, 220, 266, 280, 304, 308, 380, 385, 418, 440, 523, 532, 560, 616, 665, 760, 770, 836, 880, 1045, 1046, 1064, 1232, 1330, 1463, 1520, 1540, 1672, 2090, 2092, 2128, 2615, 2660, 2926, 3080, 3344, 3661, 4180, 4184, 5230, 5320, 5753, 5852, 6160, 7315, 7322, 8360, 8368, 9937, 10460, 10640, 11506, 11704, 14630, 14644, 16720, 18305, 19874, 20920, 23012, 23408, 28765, 29260, 29288, 36610, 39748, 40271, 41840, 46024, 49685, 57530, 58520, 58576, 69559, 73220, 79496, 80542, 92048, 99370, 109307, 115060, 117040, 139118, 146440, 158992, 161084, 198740, 201355, 218614, 230120, 278236, 292880, 322168, 347795, 397480, 402710, 437228, 460240, 546535, 556472, 644336, 695590, 765149, 794960, 805420, 874456, 1093070, 1112944, 1391180, 1530298, 1610840, 1748912, 2186140, 2782360, 3060596, 3221680, 3825745, 4372280, 5564720, 6121192, 7651490, 8744560, 12242384, 15302980, 30605960, 61211920]

約数ペア:

[(1, 61211920), (2, 30605960), (4, 15302980), (5, 12242384), (7, 8744560), (8, 7651490), (10, 6121192), (11, 5564720), (14, 4372280), (16, 3825745), (19, 3221680), (20, 3060596), (22, 2782360), (28, 2186140), (35, 1748912), (38, 1610840), (40, 1530298), (44, 1391180), (55, 1112944), (56, 1093070), (70, 874456), (76, 805420), (77, 794960), (80, 765149), (88, 695590), (95, 644336), (110, 556472), (112, 546535), (133, 460240), (140, 437228), (152, 402710), (154, 397480), (176, 347795), (190, 322168), (209, 292880), (220, 278236), (266, 230120), (280, 218614), (304, 201355), (308, 198740), (380, 161084), (385, 158992), (418, 146440), (440, 139118), (523, 117040), (532, 115060), (560, 109307), (616, 99370), (665, 92048), (760, 80542), (770, 79496), (836, 73220), (880, 69559), (1045, 58576), (1046, 58520), (1064, 57530), (1232, 49685), (1330, 46024), (1463, 41840), (1520, 40271), (1540, 39748), (1672, 36610), (2090, 29288), (2092, 29260), (2128, 28765), (2615, 23408), (2660, 23012), (2926, 20920), (3080, 19874), (3344, 18305), (3661, 16720), (4180, 14644), (4184, 14630), (5230, 11704), (5320, 11506), (5753, 10640), (5852, 10460), (6160, 9937), (7315, 8368), (7322, 8360)]