639915660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{769}}^1$

素因数の和:877

約数の個数: 192

約数和(自身を含む): 2111155200

約数和(自身を除く): 1471239540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 67, 69, 90, 92, 108, 115, 134, 135, 138, 180, 201, 207, 230, 268, 270, 276, 335, 345, 402, 414, 460, 540, 603, 621, 670, 690, 769, 804, 828, 1005, 1035, 1206, 1242, 1340, 1380, 1538, 1541, 1809, 2010, 2070, 2307, 2412, 2484, 3015, 3076, 3082, 3105, 3618, 3845, 4020, 4140, 4614, 4623, 6030, 6164, 6210, 6921, 7236, 7690, 7705, 9045, 9228, 9246, 11535, 12060, 12420, 13842, 13869, 15380, 15410, 17687, 18090, 18492, 20763, 23070, 23115, 27684, 27738, 30820, 34605, 35374, 36180, 41526, 41607, 46140, 46230, 51523, 53061, 55476, 69210, 69345, 70748, 83052, 83214, 88435, 92460, 103046, 103815, 106122, 138420, 138690, 154569, 159183, 166428, 176870, 206092, 207630, 208035, 212244, 257615, 265305, 277380, 309138, 318366, 353740, 415260, 416070, 463707, 477549, 515230, 530610, 618276, 636732, 772845, 795915, 832140, 927414, 955098, 1030460, 1061220, 1185029, 1391121, 1545690, 1591830, 1854828, 1910196, 2318535, 2370058, 2387745, 2782242, 3091380, 3183660, 3555087, 4637070, 4740116, 4775490, 5564484, 5925145, 6955605, 7110174, 9274140, 9550980, 10665261, 11850290, 13911210, 14220348, 17775435, 21330522, 23700580, 27822420, 31995783, 35550870, 42661044, 53326305, 63991566, 71101740, 106652610, 127983132, 159978915, 213305220, 319957830, 639915660]

約数ペア:

[(1, 639915660), (2, 319957830), (3, 213305220), (4, 159978915), (5, 127983132), (6, 106652610), (9, 71101740), (10, 63991566), (12, 53326305), (15, 42661044), (18, 35550870), (20, 31995783), (23, 27822420), (27, 23700580), (30, 21330522), (36, 17775435), (45, 14220348), (46, 13911210), (54, 11850290), (60, 10665261), (67, 9550980), (69, 9274140), (90, 7110174), (92, 6955605), (108, 5925145), (115, 5564484), (134, 4775490), (135, 4740116), (138, 4637070), (180, 3555087), (201, 3183660), (207, 3091380), (230, 2782242), (268, 2387745), (270, 2370058), (276, 2318535), (335, 1910196), (345, 1854828), (402, 1591830), (414, 1545690), (460, 1391121), (540, 1185029), (603, 1061220), (621, 1030460), (670, 955098), (690, 927414), (769, 832140), (804, 795915), (828, 772845), (1005, 636732), (1035, 618276), (1206, 530610), (1242, 515230), (1340, 477549), (1380, 463707), (1538, 416070), (1541, 415260), (1809, 353740), (2010, 318366), (2070, 309138), (2307, 277380), (2412, 265305), (2484, 257615), (3015, 212244), (3076, 208035), (3082, 207630), (3105, 206092), (3618, 176870), (3845, 166428), (4020, 159183), (4140, 154569), (4614, 138690), (4623, 138420), (6030, 106122), (6164, 103815), (6210, 103046), (6921, 92460), (7236, 88435), (7690, 83214), (7705, 83052), (9045, 70748), (9228, 69345), (9246, 69210), (11535, 55476), (12060, 53061), (12420, 51523), (13842, 46230), (13869, 46140), (15380, 41607), (15410, 41526), (17687, 36180), (18090, 35374), (18492, 34605), (20763, 30820), (23070, 27738), (23115, 27684)]