248312880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20287}}^1$

素因数の和:20323

約数の個数: 120

約数和(自身を含む): 883014912

約数和(自身を除く): 634702032

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 102, 120, 136, 144, 153, 170, 180, 204, 240, 255, 272, 306, 340, 360, 408, 510, 612, 680, 720, 765, 816, 1020, 1224, 1360, 1530, 2040, 2448, 3060, 4080, 6120, 12240, 20287, 40574, 60861, 81148, 101435, 121722, 162296, 182583, 202870, 243444, 304305, 324592, 344879, 365166, 405740, 486888, 608610, 689758, 730332, 811480, 912915, 973776, 1034637, 1217220, 1379516, 1460664, 1622960, 1724395, 1825830, 2069274, 2434440, 2759032, 2921328, 3103911, 3448790, 3651660, 4138548, 4868880, 5173185, 5518064, 6207822, 6897580, 7303320, 8277096, 10346370, 12415644, 13795160, 14606640, 15519555, 16554192, 20692740, 24831288, 27590320, 31039110, 41385480, 49662576, 62078220, 82770960, 124156440, 248312880]

約数ペア:

[(1, 248312880), (2, 124156440), (3, 82770960), (4, 62078220), (5, 49662576), (6, 41385480), (8, 31039110), (9, 27590320), (10, 24831288), (12, 20692740), (15, 16554192), (16, 15519555), (17, 14606640), (18, 13795160), (20, 12415644), (24, 10346370), (30, 8277096), (34, 7303320), (36, 6897580), (40, 6207822), (45, 5518064), (48, 5173185), (51, 4868880), (60, 4138548), (68, 3651660), (72, 3448790), (80, 3103911), (85, 2921328), (90, 2759032), (102, 2434440), (120, 2069274), (136, 1825830), (144, 1724395), (153, 1622960), (170, 1460664), (180, 1379516), (204, 1217220), (240, 1034637), (255, 973776), (272, 912915), (306, 811480), (340, 730332), (360, 689758), (408, 608610), (510, 486888), (612, 405740), (680, 365166), (720, 344879), (765, 324592), (816, 304305), (1020, 243444), (1224, 202870), (1360, 182583), (1530, 162296), (2040, 121722), (2448, 101435), (3060, 81148), (4080, 60861), (6120, 40574), (12240, 20287)]