80421390

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2503}}^1$

素因数の和:2543

約数の個数: 128

約数和(自身を含む): 259614720

約数和(自身を除く): 179193330

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 27, 30, 34, 35, 42, 45, 51, 54, 63, 70, 85, 90, 102, 105, 119, 126, 135, 153, 170, 189, 210, 238, 255, 270, 306, 315, 357, 378, 459, 510, 595, 630, 714, 765, 918, 945, 1071, 1190, 1530, 1785, 1890, 2142, 2295, 2503, 3213, 3570, 4590, 5006, 5355, 6426, 7509, 10710, 12515, 15018, 16065, 17521, 22527, 25030, 32130, 35042, 37545, 42551, 45054, 52563, 67581, 75090, 85102, 87605, 105126, 112635, 127653, 135162, 157689, 175210, 212755, 225270, 255306, 262815, 297857, 315378, 337905, 382959, 425510, 473067, 525630, 595714, 638265, 675810, 765918, 788445, 893571, 946134, 1148877, 1276530, 1489285, 1576890, 1787142, 1914795, 2297754, 2365335, 2680713, 2978570, 3829590, 4467855, 4730670, 5361426, 5744385, 8042139, 8935710, 11488770, 13403565, 16084278, 26807130, 40210695, 80421390]

約数ペア:

[(1, 80421390), (2, 40210695), (3, 26807130), (5, 16084278), (6, 13403565), (7, 11488770), (9, 8935710), (10, 8042139), (14, 5744385), (15, 5361426), (17, 4730670), (18, 4467855), (21, 3829590), (27, 2978570), (30, 2680713), (34, 2365335), (35, 2297754), (42, 1914795), (45, 1787142), (51, 1576890), (54, 1489285), (63, 1276530), (70, 1148877), (85, 946134), (90, 893571), (102, 788445), (105, 765918), (119, 675810), (126, 638265), (135, 595714), (153, 525630), (170, 473067), (189, 425510), (210, 382959), (238, 337905), (255, 315378), (270, 297857), (306, 262815), (315, 255306), (357, 225270), (378, 212755), (459, 175210), (510, 157689), (595, 135162), (630, 127653), (714, 112635), (765, 105126), (918, 87605), (945, 85102), (1071, 75090), (1190, 67581), (1530, 52563), (1785, 45054), (1890, 42551), (2142, 37545), (2295, 35042), (2503, 32130), (3213, 25030), (3570, 22527), (4590, 17521), (5006, 16065), (5355, 15018), (6426, 12515), (7509, 10710)]