15987802624

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{19801}}^1$

素因数の和:19921

約数の個数: 80

約数和(自身を含む): 34032509280

約数和(自身を除く): 18044706656

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 83, 128, 152, 166, 256, 304, 332, 512, 608, 664, 1216, 1328, 1577, 2432, 2656, 3154, 4864, 5312, 6308, 9728, 10624, 12616, 19801, 21248, 25232, 39602, 42496, 50464, 79204, 100928, 158408, 201856, 316816, 376219, 403712, 633632, 752438, 807424, 1267264, 1504876, 1643483, 2534528, 3009752, 3286966, 5069056, 6019504, 6573932, 10138112, 12039008, 13147864, 24078016, 26295728, 31226177, 48156032, 52591456, 62452354, 96312064, 105182912, 124904708, 192624128, 210365824, 249809416, 420731648, 499618832, 841463296, 999237664, 1998475328, 3996950656, 7993901312, 15987802624]

約数ペア:

[(1, 15987802624), (2, 7993901312), (4, 3996950656), (8, 1998475328), (16, 999237664), (19, 841463296), (32, 499618832), (38, 420731648), (64, 249809416), (76, 210365824), (83, 192624128), (128, 124904708), (152, 105182912), (166, 96312064), (256, 62452354), (304, 52591456), (332, 48156032), (512, 31226177), (608, 26295728), (664, 24078016), (1216, 13147864), (1328, 12039008), (1577, 10138112), (2432, 6573932), (2656, 6019504), (3154, 5069056), (4864, 3286966), (5312, 3009752), (6308, 2534528), (9728, 1643483), (10624, 1504876), (12616, 1267264), (19801, 807424), (21248, 752438), (25232, 633632), (39602, 403712), (42496, 376219), (50464, 316816), (79204, 201856), (100928, 158408)]