320047920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{8387}}^1$

素因数の和:8459

約数の個数: 120

約数和(自身を含む): 1095237936

約数和(自身を除く): 775190016

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 53, 60, 72, 80, 90, 106, 120, 144, 159, 180, 212, 240, 265, 318, 360, 424, 477, 530, 636, 720, 795, 848, 954, 1060, 1272, 1590, 1908, 2120, 2385, 2544, 3180, 3816, 4240, 4770, 6360, 7632, 8387, 9540, 12720, 16774, 19080, 25161, 33548, 38160, 41935, 50322, 67096, 75483, 83870, 100644, 125805, 134192, 150966, 167740, 201288, 251610, 301932, 335480, 377415, 402576, 444511, 503220, 603864, 670960, 754830, 889022, 1006440, 1207728, 1333533, 1509660, 1778044, 2012880, 2222555, 2667066, 3019320, 3556088, 4000599, 4445110, 5334132, 6038640, 6667665, 7112176, 8001198, 8890220, 10668264, 13335330, 16002396, 17780440, 20002995, 21336528, 26670660, 32004792, 35560880, 40005990, 53341320, 64009584, 80011980, 106682640, 160023960, 320047920]

約数ペア:

[(1, 320047920), (2, 160023960), (3, 106682640), (4, 80011980), (5, 64009584), (6, 53341320), (8, 40005990), (9, 35560880), (10, 32004792), (12, 26670660), (15, 21336528), (16, 20002995), (18, 17780440), (20, 16002396), (24, 13335330), (30, 10668264), (36, 8890220), (40, 8001198), (45, 7112176), (48, 6667665), (53, 6038640), (60, 5334132), (72, 4445110), (80, 4000599), (90, 3556088), (106, 3019320), (120, 2667066), (144, 2222555), (159, 2012880), (180, 1778044), (212, 1509660), (240, 1333533), (265, 1207728), (318, 1006440), (360, 889022), (424, 754830), (477, 670960), (530, 603864), (636, 503220), (720, 444511), (795, 402576), (848, 377415), (954, 335480), (1060, 301932), (1272, 251610), (1590, 201288), (1908, 167740), (2120, 150966), (2385, 134192), (2544, 125805), (3180, 100644), (3816, 83870), (4240, 75483), (4770, 67096), (6360, 50322), (7632, 41935), (8387, 38160), (9540, 33548), (12720, 25161), (16774, 19080)]