56710980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:506

約数の個数: 144

約数和(自身を含む): 186810624

約数和(自身を除く): 130099644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 43, 45, 51, 60, 68, 85, 86, 90, 102, 129, 153, 170, 172, 180, 204, 215, 255, 258, 306, 340, 387, 430, 431, 510, 516, 612, 645, 731, 765, 774, 860, 862, 1020, 1290, 1293, 1462, 1530, 1548, 1724, 1935, 2155, 2193, 2580, 2586, 2924, 3060, 3655, 3870, 3879, 4310, 4386, 5172, 6465, 6579, 7310, 7327, 7740, 7758, 8620, 8772, 10965, 12930, 13158, 14620, 14654, 15516, 18533, 19395, 21930, 21981, 25860, 26316, 29308, 32895, 36635, 37066, 38790, 43860, 43962, 55599, 65790, 65943, 73270, 74132, 77580, 87924, 92665, 109905, 111198, 131580, 131886, 146540, 166797, 185330, 219810, 222396, 263772, 277995, 315061, 329715, 333594, 370660, 439620, 555990, 630122, 659430, 667188, 833985, 945183, 1111980, 1260244, 1318860, 1575305, 1667970, 1890366, 2835549, 3150610, 3335940, 3780732, 4725915, 5671098, 6301220, 9451830, 11342196, 14177745, 18903660, 28355490, 56710980]

約数ペア:

[(1, 56710980), (2, 28355490), (3, 18903660), (4, 14177745), (5, 11342196), (6, 9451830), (9, 6301220), (10, 5671098), (12, 4725915), (15, 3780732), (17, 3335940), (18, 3150610), (20, 2835549), (30, 1890366), (34, 1667970), (36, 1575305), (43, 1318860), (45, 1260244), (51, 1111980), (60, 945183), (68, 833985), (85, 667188), (86, 659430), (90, 630122), (102, 555990), (129, 439620), (153, 370660), (170, 333594), (172, 329715), (180, 315061), (204, 277995), (215, 263772), (255, 222396), (258, 219810), (306, 185330), (340, 166797), (387, 146540), (430, 131886), (431, 131580), (510, 111198), (516, 109905), (612, 92665), (645, 87924), (731, 77580), (765, 74132), (774, 73270), (860, 65943), (862, 65790), (1020, 55599), (1290, 43962), (1293, 43860), (1462, 38790), (1530, 37066), (1548, 36635), (1724, 32895), (1935, 29308), (2155, 26316), (2193, 25860), (2580, 21981), (2586, 21930), (2924, 19395), (3060, 18533), (3655, 15516), (3870, 14654), (3879, 14620), (4310, 13158), (4386, 12930), (5172, 10965), (6465, 8772), (6579, 8620), (7310, 7758), (7327, 7740)]