77988960

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{2579}}^1$

素因数の和:2610

約数の個数: 192

約数和(自身を含む): 312076800

約数和(自身を除く): 234087840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 2579, 3024, 3360, 3780, 4320, 5040, 5158, 6048, 7560, 7737, 10080, 10316, 12895, 15120, 15474, 18053, 20632, 23211, 25790, 30240, 30948, 36106, 38685, 41264, 46422, 51580, 54159, 61896, 69633, 72212, 77370, 82528, 90265, 92844, 103160, 108318, 116055, 123792, 139266, 144424, 154740, 162477, 180530, 185688, 206320, 216636, 232110, 247584, 270795, 278532, 288848, 309480, 324954, 348165, 361060, 371376, 412640, 433272, 464220, 487431, 541590, 557064, 577696, 618960, 649908, 696330, 722120, 742752, 812385, 866544, 928440, 974862, 1083180, 1114128, 1237920, 1299816, 1392660, 1444240, 1624770, 1733088, 1856880, 1949724, 2166360, 2228256, 2437155, 2599632, 2785320, 2888480, 3249540, 3713760, 3899448, 4332720, 4874310, 5199264, 5570640, 6499080, 7798896, 8665440, 9748620, 11141280, 12998160, 15597792, 19497240, 25996320, 38994480, 77988960]

約数ペア:

[(1, 77988960), (2, 38994480), (3, 25996320), (4, 19497240), (5, 15597792), (6, 12998160), (7, 11141280), (8, 9748620), (9, 8665440), (10, 7798896), (12, 6499080), (14, 5570640), (15, 5199264), (16, 4874310), (18, 4332720), (20, 3899448), (21, 3713760), (24, 3249540), (27, 2888480), (28, 2785320), (30, 2599632), (32, 2437155), (35, 2228256), (36, 2166360), (40, 1949724), (42, 1856880), (45, 1733088), (48, 1624770), (54, 1444240), (56, 1392660), (60, 1299816), (63, 1237920), (70, 1114128), (72, 1083180), (80, 974862), (84, 928440), (90, 866544), (96, 812385), (105, 742752), (108, 722120), (112, 696330), (120, 649908), (126, 618960), (135, 577696), (140, 557064), (144, 541590), (160, 487431), (168, 464220), (180, 433272), (189, 412640), (210, 371376), (216, 361060), (224, 348165), (240, 324954), (252, 309480), (270, 288848), (280, 278532), (288, 270795), (315, 247584), (336, 232110), (360, 216636), (378, 206320), (420, 185688), (432, 180530), (480, 162477), (504, 154740), (540, 144424), (560, 139266), (630, 123792), (672, 116055), (720, 108318), (756, 103160), (840, 92844), (864, 90265), (945, 82528), (1008, 77370), (1080, 72212), (1120, 69633), (1260, 61896), (1440, 54159), (1512, 51580), (1680, 46422), (1890, 41264), (2016, 38685), (2160, 36106), (2520, 30948), (2579, 30240), (3024, 25790), (3360, 23211), (3780, 20632), (4320, 18053), (5040, 15474), (5158, 15120), (6048, 12895), (7560, 10316), (7737, 10080)]