640173168

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{283}}^1\times {\mathrm{683}}^1$

素因数の和:1003

約数の個数: 120

約数和(自身を含む): 1878844032

約数和(自身を除く): 1238670864

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 46, 48, 69, 72, 92, 138, 144, 184, 207, 276, 283, 368, 414, 552, 566, 683, 828, 849, 1104, 1132, 1366, 1656, 1698, 2049, 2264, 2547, 2732, 3312, 3396, 4098, 4528, 5094, 5464, 6147, 6509, 6792, 8196, 10188, 10928, 12294, 13018, 13584, 15709, 16392, 19527, 20376, 24588, 26036, 31418, 32784, 39054, 40752, 47127, 49176, 52072, 58581, 62836, 78108, 94254, 98352, 104144, 117162, 125672, 141381, 156216, 188508, 193289, 234324, 251344, 282762, 312432, 377016, 386578, 468648, 565524, 579867, 754032, 773156, 937296, 1131048, 1159734, 1546312, 1739601, 2262096, 2319468, 3092624, 3479202, 4445647, 4638936, 6958404, 8891294, 9277872, 13336941, 13916808, 17782588, 26673882, 27833616, 35565176, 40010823, 53347764, 71130352, 80021646, 106695528, 160043292, 213391056, 320086584, 640173168]

約数ペア:

[(1, 640173168), (2, 320086584), (3, 213391056), (4, 160043292), (6, 106695528), (8, 80021646), (9, 71130352), (12, 53347764), (16, 40010823), (18, 35565176), (23, 27833616), (24, 26673882), (36, 17782588), (46, 13916808), (48, 13336941), (69, 9277872), (72, 8891294), (92, 6958404), (138, 4638936), (144, 4445647), (184, 3479202), (207, 3092624), (276, 2319468), (283, 2262096), (368, 1739601), (414, 1546312), (552, 1159734), (566, 1131048), (683, 937296), (828, 773156), (849, 754032), (1104, 579867), (1132, 565524), (1366, 468648), (1656, 386578), (1698, 377016), (2049, 312432), (2264, 282762), (2547, 251344), (2732, 234324), (3312, 193289), (3396, 188508), (4098, 156216), (4528, 141381), (5094, 125672), (5464, 117162), (6147, 104144), (6509, 98352), (6792, 94254), (8196, 78108), (10188, 62836), (10928, 58581), (12294, 52072), (13018, 49176), (13584, 47127), (15709, 40752), (16392, 39054), (19527, 32784), (20376, 31418), (24588, 26036)]