261843552

素因数分解:

$2^5\times 3^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{293}}^1$

素因数の和:445

約数の個数: 144

約数和(自身を含む): 780146640

約数和(自身を除く): 518303088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 48, 58, 72, 87, 96, 107, 116, 144, 174, 214, 232, 261, 288, 293, 321, 348, 428, 464, 522, 586, 642, 696, 856, 879, 928, 963, 1044, 1172, 1284, 1392, 1712, 1758, 1926, 2088, 2344, 2568, 2637, 2784, 3103, 3424, 3516, 3852, 4176, 4688, 5136, 5274, 6206, 7032, 7704, 8352, 8497, 9309, 9376, 10272, 10548, 12412, 14064, 15408, 16994, 18618, 21096, 24824, 25491, 27927, 28128, 30816, 31351, 33988, 37236, 42192, 49648, 50982, 55854, 62702, 67976, 74472, 76473, 84384, 94053, 99296, 101964, 111708, 125404, 135952, 148944, 152946, 188106, 203928, 223416, 250808, 271904, 282159, 297888, 305892, 376212, 407856, 446832, 501616, 564318, 611784, 752424, 815712, 893664, 909179, 1003232, 1128636, 1223568, 1504848, 1818358, 2257272, 2447136, 2727537, 3009696, 3636716, 4514544, 5455074, 7273432, 8182611, 9029088, 10910148, 14546864, 16365222, 21820296, 29093728, 32730444, 43640592, 65460888, 87281184, 130921776, 261843552]

約数ペア:

[(1, 261843552), (2, 130921776), (3, 87281184), (4, 65460888), (6, 43640592), (8, 32730444), (9, 29093728), (12, 21820296), (16, 16365222), (18, 14546864), (24, 10910148), (29, 9029088), (32, 8182611), (36, 7273432), (48, 5455074), (58, 4514544), (72, 3636716), (87, 3009696), (96, 2727537), (107, 2447136), (116, 2257272), (144, 1818358), (174, 1504848), (214, 1223568), (232, 1128636), (261, 1003232), (288, 909179), (293, 893664), (321, 815712), (348, 752424), (428, 611784), (464, 564318), (522, 501616), (586, 446832), (642, 407856), (696, 376212), (856, 305892), (879, 297888), (928, 282159), (963, 271904), (1044, 250808), (1172, 223416), (1284, 203928), (1392, 188106), (1712, 152946), (1758, 148944), (1926, 135952), (2088, 125404), (2344, 111708), (2568, 101964), (2637, 99296), (2784, 94053), (3103, 84384), (3424, 76473), (3516, 74472), (3852, 67976), (4176, 62702), (4688, 55854), (5136, 50982), (5274, 49648), (6206, 42192), (7032, 37236), (7704, 33988), (8352, 31351), (8497, 30816), (9309, 28128), (9376, 27927), (10272, 25491), (10548, 24824), (12412, 21096), (14064, 18618), (15408, 16994)]