76986540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:352

約数の個数: 144

約数和(自身を含む): 250417440

約数和(自身を除く): 173430900

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, 139, 153, 170, 180, 181, 204, 255, 278, 306, 340, 362, 417, 510, 543, 556, 612, 695, 724, 765, 834, 905, 1020, 1086, 1251, 1390, 1530, 1629, 1668, 1810, 2085, 2172, 2363, 2502, 2715, 2780, 3060, 3077, 3258, 3620, 4170, 4726, 5004, 5430, 6154, 6255, 6516, 7089, 8145, 8340, 9231, 9452, 10860, 11815, 12308, 12510, 14178, 15385, 16290, 18462, 21267, 23630, 25020, 25159, 27693, 28356, 30770, 32580, 35445, 36924, 42534, 46155, 47260, 50318, 55386, 61540, 70890, 75477, 85068, 92310, 100636, 106335, 110772, 125795, 138465, 141780, 150954, 184620, 212670, 226431, 251590, 276930, 301908, 377385, 425340, 427703, 452862, 503180, 553860, 754770, 855406, 905724, 1132155, 1283109, 1509540, 1710812, 2138515, 2264310, 2566218, 3849327, 4277030, 4528620, 5132436, 6415545, 7698654, 8554060, 12831090, 15397308, 19246635, 25662180, 38493270, 76986540]

約数ペア:

[(1, 76986540), (2, 38493270), (3, 25662180), (4, 19246635), (5, 15397308), (6, 12831090), (9, 8554060), (10, 7698654), (12, 6415545), (15, 5132436), (17, 4528620), (18, 4277030), (20, 3849327), (30, 2566218), (34, 2264310), (36, 2138515), (45, 1710812), (51, 1509540), (60, 1283109), (68, 1132155), (85, 905724), (90, 855406), (102, 754770), (139, 553860), (153, 503180), (170, 452862), (180, 427703), (181, 425340), (204, 377385), (255, 301908), (278, 276930), (306, 251590), (340, 226431), (362, 212670), (417, 184620), (510, 150954), (543, 141780), (556, 138465), (612, 125795), (695, 110772), (724, 106335), (765, 100636), (834, 92310), (905, 85068), (1020, 75477), (1086, 70890), (1251, 61540), (1390, 55386), (1530, 50318), (1629, 47260), (1668, 46155), (1810, 42534), (2085, 36924), (2172, 35445), (2363, 32580), (2502, 30770), (2715, 28356), (2780, 27693), (3060, 25159), (3077, 25020), (3258, 23630), (3620, 21267), (4170, 18462), (4726, 16290), (5004, 15385), (5430, 14178), (6154, 12510), (6255, 12308), (6516, 11815), (7089, 10860), (8145, 9452), (8340, 9231)]