128656920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1579}}^1$

素因数の和:1697

約数の個数: 128

約数和(自身を含む): 445939200

約数和(自身を除く): 317282280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 97, 105, 120, 140, 168, 194, 210, 280, 291, 388, 420, 485, 582, 679, 776, 840, 970, 1164, 1358, 1455, 1579, 1940, 2037, 2328, 2716, 2910, 3158, 3395, 3880, 4074, 4737, 5432, 5820, 6316, 6790, 7895, 8148, 9474, 10185, 11053, 11640, 12632, 13580, 15790, 16296, 18948, 20370, 22106, 23685, 27160, 31580, 33159, 37896, 40740, 44212, 47370, 55265, 63160, 66318, 81480, 88424, 94740, 110530, 132636, 153163, 165795, 189480, 221060, 265272, 306326, 331590, 442120, 459489, 612652, 663180, 765815, 918978, 1072141, 1225304, 1326360, 1531630, 1837956, 2144282, 2297445, 3063260, 3216423, 3675912, 4288564, 4594890, 5360705, 6126520, 6432846, 8577128, 9189780, 10721410, 12865692, 16082115, 18379560, 21442820, 25731384, 32164230, 42885640, 64328460, 128656920]

約数ペア:

[(1, 128656920), (2, 64328460), (3, 42885640), (4, 32164230), (5, 25731384), (6, 21442820), (7, 18379560), (8, 16082115), (10, 12865692), (12, 10721410), (14, 9189780), (15, 8577128), (20, 6432846), (21, 6126520), (24, 5360705), (28, 4594890), (30, 4288564), (35, 3675912), (40, 3216423), (42, 3063260), (56, 2297445), (60, 2144282), (70, 1837956), (84, 1531630), (97, 1326360), (105, 1225304), (120, 1072141), (140, 918978), (168, 765815), (194, 663180), (210, 612652), (280, 459489), (291, 442120), (388, 331590), (420, 306326), (485, 265272), (582, 221060), (679, 189480), (776, 165795), (840, 153163), (970, 132636), (1164, 110530), (1358, 94740), (1455, 88424), (1579, 81480), (1940, 66318), (2037, 63160), (2328, 55265), (2716, 47370), (2910, 44212), (3158, 40740), (3395, 37896), (3880, 33159), (4074, 31580), (4737, 27160), (5432, 23685), (5820, 22106), (6316, 20370), (6790, 18948), (7895, 16296), (8148, 15790), (9474, 13580), (10185, 12632), (11053, 11640)]