320236020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1279}}^1$

素因数の和:1414

約数の個数: 144

約数和(自身を含む): 1056706560

約数和(自身を除く): 736470540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 107, 117, 130, 156, 180, 195, 214, 234, 260, 321, 390, 428, 468, 535, 585, 642, 780, 963, 1070, 1170, 1279, 1284, 1391, 1605, 1926, 2140, 2340, 2558, 2782, 3210, 3837, 3852, 4173, 4815, 5116, 5564, 6395, 6420, 6955, 7674, 8346, 9630, 11511, 12519, 12790, 13910, 15348, 16627, 16692, 19185, 19260, 20865, 23022, 25038, 25580, 27820, 33254, 38370, 41730, 46044, 49881, 50076, 57555, 62595, 66508, 76740, 83135, 83460, 99762, 115110, 125190, 136853, 149643, 166270, 199524, 230220, 249405, 250380, 273706, 299286, 332540, 410559, 498810, 547412, 598572, 684265, 748215, 821118, 997620, 1231677, 1368530, 1496430, 1642236, 1779089, 2052795, 2463354, 2737060, 2992860, 3558178, 4105590, 4926708, 5337267, 6158385, 7116356, 8211180, 8895445, 10674534, 12316770, 16011801, 17790890, 21349068, 24633540, 26686335, 32023602, 35581780, 53372670, 64047204, 80059005, 106745340, 160118010, 320236020]

約数ペア:

[(1, 320236020), (2, 160118010), (3, 106745340), (4, 80059005), (5, 64047204), (6, 53372670), (9, 35581780), (10, 32023602), (12, 26686335), (13, 24633540), (15, 21349068), (18, 17790890), (20, 16011801), (26, 12316770), (30, 10674534), (36, 8895445), (39, 8211180), (45, 7116356), (52, 6158385), (60, 5337267), (65, 4926708), (78, 4105590), (90, 3558178), (107, 2992860), (117, 2737060), (130, 2463354), (156, 2052795), (180, 1779089), (195, 1642236), (214, 1496430), (234, 1368530), (260, 1231677), (321, 997620), (390, 821118), (428, 748215), (468, 684265), (535, 598572), (585, 547412), (642, 498810), (780, 410559), (963, 332540), (1070, 299286), (1170, 273706), (1279, 250380), (1284, 249405), (1391, 230220), (1605, 199524), (1926, 166270), (2140, 149643), (2340, 136853), (2558, 125190), (2782, 115110), (3210, 99762), (3837, 83460), (3852, 83135), (4173, 76740), (4815, 66508), (5116, 62595), (5564, 57555), (6395, 50076), (6420, 49881), (6955, 46044), (7674, 41730), (8346, 38370), (9630, 33254), (11511, 27820), (12519, 25580), (12790, 25038), (13910, 23022), (15348, 20865), (16627, 19260), (16692, 19185)]