220171560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{262109}}^1$

素因数の和:262130

約数の個数: 64

約数和(自身を含む): 754876800

約数和(自身を除く): 534705240

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, 105, 120, 140, 168, 210, 280, 420, 840, 262109, 524218, 786327, 1048436, 1310545, 1572654, 1834763, 2096872, 2621090, 3145308, 3669526, 3931635, 5242180, 5504289, 6290616, 7339052, 7863270, 9173815, 10484360, 11008578, 14678104, 15726540, 18347630, 22017156, 27521445, 31453080, 36695260, 44034312, 55042890, 73390520, 110085780, 220171560]

約数ペア:

[(1, 220171560), (2, 110085780), (3, 73390520), (4, 55042890), (5, 44034312), (6, 36695260), (7, 31453080), (8, 27521445), (10, 22017156), (12, 18347630), (14, 15726540), (15, 14678104), (20, 11008578), (21, 10484360), (24, 9173815), (28, 7863270), (30, 7339052), (35, 6290616), (40, 5504289), (42, 5242180), (56, 3931635), (60, 3669526), (70, 3145308), (84, 2621090), (105, 2096872), (120, 1834763), (140, 1572654), (168, 1310545), (210, 1048436), (280, 786327), (420, 524218), (840, 262109)]