31640448

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:252

約数の個数: 128

約数和(自身を含む): 97920000

約数和(自身を除く): 66279552

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 79, 84, 96, 112, 128, 149, 158, 168, 192, 224, 237, 298, 316, 336, 384, 447, 448, 474, 553, 596, 632, 672, 894, 896, 948, 1043, 1106, 1192, 1264, 1344, 1659, 1788, 1896, 2086, 2212, 2384, 2528, 2688, 3129, 3318, 3576, 3792, 4172, 4424, 4768, 5056, 6258, 6636, 7152, 7584, 8344, 8848, 9536, 10112, 11771, 12516, 13272, 14304, 15168, 16688, 17696, 19072, 23542, 25032, 26544, 28608, 30336, 33376, 35313, 35392, 47084, 50064, 53088, 57216, 66752, 70626, 70784, 82397, 94168, 100128, 106176, 133504, 141252, 164794, 188336, 200256, 212352, 247191, 282504, 329588, 376672, 400512, 494382, 565008, 659176, 753344, 988764, 1130016, 1318352, 1506688, 1977528, 2260032, 2636704, 3955056, 4520064, 5273408, 7910112, 10546816, 15820224, 31640448]

約数ペア:

[(1, 31640448), (2, 15820224), (3, 10546816), (4, 7910112), (6, 5273408), (7, 4520064), (8, 3955056), (12, 2636704), (14, 2260032), (16, 1977528), (21, 1506688), (24, 1318352), (28, 1130016), (32, 988764), (42, 753344), (48, 659176), (56, 565008), (64, 494382), (79, 400512), (84, 376672), (96, 329588), (112, 282504), (128, 247191), (149, 212352), (158, 200256), (168, 188336), (192, 164794), (224, 141252), (237, 133504), (298, 106176), (316, 100128), (336, 94168), (384, 82397), (447, 70784), (448, 70626), (474, 66752), (553, 57216), (596, 53088), (632, 50064), (672, 47084), (894, 35392), (896, 35313), (948, 33376), (1043, 30336), (1106, 28608), (1192, 26544), (1264, 25032), (1344, 23542), (1659, 19072), (1788, 17696), (1896, 16688), (2086, 15168), (2212, 14304), (2384, 13272), (2528, 12516), (2688, 11771), (3129, 10112), (3318, 9536), (3576, 8848), (3792, 8344), (4172, 7584), (4424, 7152), (4768, 6636), (5056, 6258)]