68968620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{431}}^1$

素因数の和:580

約数の個数: 144

約数和(自身を含む): 241532928

約数和(自身を除く): 172564308

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 127, 140, 180, 210, 252, 254, 315, 381, 420, 431, 508, 630, 635, 762, 862, 889, 1143, 1260, 1270, 1293, 1524, 1724, 1778, 1905, 2155, 2286, 2540, 2586, 2667, 3017, 3556, 3810, 3879, 4310, 4445, 4572, 5172, 5334, 5715, 6034, 6465, 7620, 7758, 8001, 8620, 8890, 9051, 10668, 11430, 12068, 12930, 13335, 15085, 15516, 16002, 17780, 18102, 19395, 22860, 25860, 26670, 27153, 30170, 32004, 36204, 38790, 40005, 45255, 53340, 54306, 54737, 60340, 77580, 80010, 90510, 108612, 109474, 135765, 160020, 164211, 181020, 218948, 271530, 273685, 328422, 383159, 492633, 543060, 547370, 656844, 766318, 821055, 985266, 1094740, 1149477, 1532636, 1642110, 1915795, 1970532, 2298954, 2463165, 3284220, 3448431, 3831590, 4597908, 4926330, 5747385, 6896862, 7663180, 9852660, 11494770, 13793724, 17242155, 22989540, 34484310, 68968620]

約数ペア:

[(1, 68968620), (2, 34484310), (3, 22989540), (4, 17242155), (5, 13793724), (6, 11494770), (7, 9852660), (9, 7663180), (10, 6896862), (12, 5747385), (14, 4926330), (15, 4597908), (18, 3831590), (20, 3448431), (21, 3284220), (28, 2463165), (30, 2298954), (35, 1970532), (36, 1915795), (42, 1642110), (45, 1532636), (60, 1149477), (63, 1094740), (70, 985266), (84, 821055), (90, 766318), (105, 656844), (126, 547370), (127, 543060), (140, 492633), (180, 383159), (210, 328422), (252, 273685), (254, 271530), (315, 218948), (381, 181020), (420, 164211), (431, 160020), (508, 135765), (630, 109474), (635, 108612), (762, 90510), (862, 80010), (889, 77580), (1143, 60340), (1260, 54737), (1270, 54306), (1293, 53340), (1524, 45255), (1724, 40005), (1778, 38790), (1905, 36204), (2155, 32004), (2286, 30170), (2540, 27153), (2586, 26670), (2667, 25860), (3017, 22860), (3556, 19395), (3810, 18102), (3879, 17780), (4310, 16002), (4445, 15516), (4572, 15085), (5172, 13335), (5334, 12930), (5715, 12068), (6034, 11430), (6465, 10668), (7620, 9051), (7758, 8890), (8001, 8620)]