520163856

素因数分解:

$2^4\times 3^5\times {\mathrm{353}}^1\times {\mathrm{379}}^1$

素因数の和:755

約数の個数: 120

約数和(自身を含む): 1517923680

約数和(自身を除く): 997759824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 243, 324, 353, 379, 432, 486, 648, 706, 758, 972, 1059, 1137, 1296, 1412, 1516, 1944, 2118, 2274, 2824, 3032, 3177, 3411, 3888, 4236, 4548, 5648, 6064, 6354, 6822, 8472, 9096, 9531, 10233, 12708, 13644, 16944, 18192, 19062, 20466, 25416, 27288, 28593, 30699, 38124, 40932, 50832, 54576, 57186, 61398, 76248, 81864, 85779, 92097, 114372, 122796, 133787, 152496, 163728, 171558, 184194, 228744, 245592, 267574, 343116, 368388, 401361, 457488, 491184, 535148, 686232, 736776, 802722, 1070296, 1204083, 1372464, 1473552, 1605444, 2140592, 2408166, 3210888, 3612249, 4816332, 6421776, 7224498, 9632664, 10836747, 14448996, 19265328, 21673494, 28897992, 32510241, 43346988, 57795984, 65020482, 86693976, 130040964, 173387952, 260081928, 520163856]

約数ペア:

[(1, 520163856), (2, 260081928), (3, 173387952), (4, 130040964), (6, 86693976), (8, 65020482), (9, 57795984), (12, 43346988), (16, 32510241), (18, 28897992), (24, 21673494), (27, 19265328), (36, 14448996), (48, 10836747), (54, 9632664), (72, 7224498), (81, 6421776), (108, 4816332), (144, 3612249), (162, 3210888), (216, 2408166), (243, 2140592), (324, 1605444), (353, 1473552), (379, 1372464), (432, 1204083), (486, 1070296), (648, 802722), (706, 736776), (758, 686232), (972, 535148), (1059, 491184), (1137, 457488), (1296, 401361), (1412, 368388), (1516, 343116), (1944, 267574), (2118, 245592), (2274, 228744), (2824, 184194), (3032, 171558), (3177, 163728), (3411, 152496), (3888, 133787), (4236, 122796), (4548, 114372), (5648, 92097), (6064, 85779), (6354, 81864), (6822, 76248), (8472, 61398), (9096, 57186), (9531, 54576), (10233, 50832), (12708, 40932), (13644, 38124), (16944, 30699), (18192, 28593), (19062, 27288), (20466, 25416)]