123123456

素因数分解:

$2^8\times 3^3\times {\mathrm{47}}^1\times {\mathrm{379}}^1$

素因数の和:451

約数の個数: 144

約数和(自身を含む): 372825600

約数和(自身を除く): 249702144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 47, 48, 54, 64, 72, 94, 96, 108, 128, 141, 144, 188, 192, 216, 256, 282, 288, 376, 379, 384, 423, 432, 564, 576, 752, 758, 768, 846, 864, 1128, 1137, 1152, 1269, 1504, 1516, 1692, 1728, 2256, 2274, 2304, 2538, 3008, 3032, 3384, 3411, 3456, 4512, 4548, 5076, 6016, 6064, 6768, 6822, 6912, 9024, 9096, 10152, 10233, 12032, 12128, 13536, 13644, 17813, 18048, 18192, 20304, 20466, 24256, 27072, 27288, 35626, 36096, 36384, 40608, 40932, 48512, 53439, 54144, 54576, 71252, 72768, 81216, 81864, 97024, 106878, 108288, 109152, 142504, 145536, 160317, 162432, 163728, 213756, 218304, 285008, 291072, 320634, 324864, 327456, 427512, 436608, 480951, 570016, 641268, 654912, 855024, 873216, 961902, 1140032, 1282536, 1309824, 1710048, 1923804, 2280064, 2565072, 2619648, 3420096, 3847608, 4560128, 5130144, 6840192, 7695216, 10260288, 13680384, 15390432, 20520576, 30780864, 41041152, 61561728, 123123456]

約数ペア:

[(1, 123123456), (2, 61561728), (3, 41041152), (4, 30780864), (6, 20520576), (8, 15390432), (9, 13680384), (12, 10260288), (16, 7695216), (18, 6840192), (24, 5130144), (27, 4560128), (32, 3847608), (36, 3420096), (47, 2619648), (48, 2565072), (54, 2280064), (64, 1923804), (72, 1710048), (94, 1309824), (96, 1282536), (108, 1140032), (128, 961902), (141, 873216), (144, 855024), (188, 654912), (192, 641268), (216, 570016), (256, 480951), (282, 436608), (288, 427512), (376, 327456), (379, 324864), (384, 320634), (423, 291072), (432, 285008), (564, 218304), (576, 213756), (752, 163728), (758, 162432), (768, 160317), (846, 145536), (864, 142504), (1128, 109152), (1137, 108288), (1152, 106878), (1269, 97024), (1504, 81864), (1516, 81216), (1692, 72768), (1728, 71252), (2256, 54576), (2274, 54144), (2304, 53439), (2538, 48512), (3008, 40932), (3032, 40608), (3384, 36384), (3411, 36096), (3456, 35626), (4512, 27288), (4548, 27072), (5076, 24256), (6016, 20466), (6064, 20304), (6768, 18192), (6822, 18048), (6912, 17813), (9024, 13644), (9096, 13536), (10152, 12128), (10233, 12032)]