854407260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{678101}}^1$

素因数の和:678123

約数の個数: 72

約数和(自身を含む): 2961949536

約数和(自身を除く): 2107542276

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, 140, 180, 210, 252, 315, 420, 630, 1260, 678101, 1356202, 2034303, 2712404, 3390505, 4068606, 4746707, 6102909, 6781010, 8137212, 9493414, 10171515, 12205818, 13562020, 14240121, 18986828, 20343030, 23733535, 24411636, 28480242, 30514545, 40686060, 42720363, 47467070, 56960484, 61029090, 71200605, 85440726, 94934140, 122058180, 142401210, 170881452, 213601815, 284802420, 427203630, 854407260]

約数ペア:

[(1, 854407260), (2, 427203630), (3, 284802420), (4, 213601815), (5, 170881452), (6, 142401210), (7, 122058180), (9, 94934140), (10, 85440726), (12, 71200605), (14, 61029090), (15, 56960484), (18, 47467070), (20, 42720363), (21, 40686060), (28, 30514545), (30, 28480242), (35, 24411636), (36, 23733535), (42, 20343030), (45, 18986828), (60, 14240121), (63, 13562020), (70, 12205818), (84, 10171515), (90, 9493414), (105, 8137212), (126, 6781010), (140, 6102909), (180, 4746707), (210, 4068606), (252, 3390505), (315, 2712404), (420, 2034303), (630, 1356202), (1260, 678101)]