1640781648

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{1601}}^1$

素因数の和:2273

約数の個数: 120

約数和(自身を含む): 5020232256

約数和(自身を除く): 3379450608

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 132, 144, 176, 198, 264, 396, 528, 647, 792, 1294, 1584, 1601, 1941, 2588, 3202, 3882, 4803, 5176, 5823, 6404, 7117, 7764, 9606, 10352, 11646, 12808, 14234, 14409, 15528, 17611, 19212, 21351, 23292, 25616, 28468, 28818, 31056, 35222, 38424, 42702, 46584, 52833, 56936, 57636, 64053, 70444, 76848, 85404, 93168, 105666, 113872, 115272, 128106, 140888, 158499, 170808, 211332, 230544, 256212, 281776, 316998, 341616, 422664, 512424, 633996, 845328, 1024848, 1035847, 1267992, 2071694, 2535984, 3107541, 4143388, 6215082, 8286776, 9322623, 11394317, 12430164, 16573552, 18645246, 22788634, 24860328, 34182951, 37290492, 45577268, 49720656, 68365902, 74580984, 91154536, 102548853, 136731804, 149161968, 182309072, 205097706, 273463608, 410195412, 546927216, 820390824, 1640781648]

約数ペア:

[(1, 1640781648), (2, 820390824), (3, 546927216), (4, 410195412), (6, 273463608), (8, 205097706), (9, 182309072), (11, 149161968), (12, 136731804), (16, 102548853), (18, 91154536), (22, 74580984), (24, 68365902), (33, 49720656), (36, 45577268), (44, 37290492), (48, 34182951), (66, 24860328), (72, 22788634), (88, 18645246), (99, 16573552), (132, 12430164), (144, 11394317), (176, 9322623), (198, 8286776), (264, 6215082), (396, 4143388), (528, 3107541), (647, 2535984), (792, 2071694), (1294, 1267992), (1584, 1035847), (1601, 1024848), (1941, 845328), (2588, 633996), (3202, 512424), (3882, 422664), (4803, 341616), (5176, 316998), (5823, 281776), (6404, 256212), (7117, 230544), (7764, 211332), (9606, 170808), (10352, 158499), (11646, 140888), (12808, 128106), (14234, 115272), (14409, 113872), (15528, 105666), (17611, 93168), (19212, 85404), (21351, 76848), (23292, 70444), (25616, 64053), (28468, 57636), (28818, 56936), (31056, 52833), (35222, 46584), (38424, 42702)]