280815920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{45587}}^1$

素因数の和:45618

約数の個数: 80

約数和(自身を含む): 814019328

約数和(自身を除く): 533203408

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 45587, 91174, 182348, 227935, 319109, 364696, 455870, 501457, 638218, 729392, 911740, 1002914, 1276436, 1595545, 1823480, 2005828, 2507285, 2552872, 3191090, 3510199, 3646960, 4011656, 5014570, 5105744, 6382180, 7020398, 8023312, 10029140, 12764360, 14040796, 17550995, 20058280, 25528720, 28081592, 35101990, 40116560, 56163184, 70203980, 140407960, 280815920]

約数ペア:

[(1, 280815920), (2, 140407960), (4, 70203980), (5, 56163184), (7, 40116560), (8, 35101990), (10, 28081592), (11, 25528720), (14, 20058280), (16, 17550995), (20, 14040796), (22, 12764360), (28, 10029140), (35, 8023312), (40, 7020398), (44, 6382180), (55, 5105744), (56, 5014570), (70, 4011656), (77, 3646960), (80, 3510199), (88, 3191090), (110, 2552872), (112, 2507285), (140, 2005828), (154, 1823480), (176, 1595545), (220, 1276436), (280, 1002914), (308, 911740), (385, 729392), (440, 638218), (560, 501457), (616, 455870), (770, 364696), (880, 319109), (1232, 227935), (1540, 182348), (3080, 91174), (6160, 45587)]