55719540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:302

約数の個数: 144

約数和(自身を含む): 181621440

約数和(自身を除く): 125901900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 131, 139, 153, 170, 180, 204, 255, 262, 278, 306, 340, 393, 417, 510, 524, 556, 612, 655, 695, 765, 786, 834, 1020, 1179, 1251, 1310, 1390, 1530, 1572, 1668, 1965, 2085, 2227, 2358, 2363, 2502, 2620, 2780, 3060, 3930, 4170, 4454, 4716, 4726, 5004, 5895, 6255, 6681, 7089, 7860, 8340, 8908, 9452, 11135, 11790, 11815, 12510, 13362, 14178, 18209, 20043, 21267, 22270, 23580, 23630, 25020, 26724, 28356, 33405, 35445, 36418, 40086, 42534, 44540, 47260, 54627, 66810, 70890, 72836, 80172, 85068, 91045, 100215, 106335, 109254, 133620, 141780, 163881, 182090, 200430, 212670, 218508, 273135, 309553, 327762, 364180, 400860, 425340, 546270, 619106, 655524, 819405, 928659, 1092540, 1238212, 1547765, 1638810, 1857318, 2785977, 3095530, 3277620, 3714636, 4643295, 5571954, 6191060, 9286590, 11143908, 13929885, 18573180, 27859770, 55719540]

約数ペア:

[(1, 55719540), (2, 27859770), (3, 18573180), (4, 13929885), (5, 11143908), (6, 9286590), (9, 6191060), (10, 5571954), (12, 4643295), (15, 3714636), (17, 3277620), (18, 3095530), (20, 2785977), (30, 1857318), (34, 1638810), (36, 1547765), (45, 1238212), (51, 1092540), (60, 928659), (68, 819405), (85, 655524), (90, 619106), (102, 546270), (131, 425340), (139, 400860), (153, 364180), (170, 327762), (180, 309553), (204, 273135), (255, 218508), (262, 212670), (278, 200430), (306, 182090), (340, 163881), (393, 141780), (417, 133620), (510, 109254), (524, 106335), (556, 100215), (612, 91045), (655, 85068), (695, 80172), (765, 72836), (786, 70890), (834, 66810), (1020, 54627), (1179, 47260), (1251, 44540), (1310, 42534), (1390, 40086), (1530, 36418), (1572, 35445), (1668, 33405), (1965, 28356), (2085, 26724), (2227, 25020), (2358, 23630), (2363, 23580), (2502, 22270), (2620, 21267), (2780, 20043), (3060, 18209), (3930, 14178), (4170, 13362), (4454, 12510), (4716, 11815), (4726, 11790), (5004, 11135), (5895, 9452), (6255, 8908), (6681, 8340), (7089, 7860)]