256979712

素因数分解:

$2^8\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1601}}^1$

素因数の和:1650

約数の個数: 144

約数和(自身を含む): 785877120

約数和(自身を除く): 528897408

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 24, 32, 33, 38, 44, 48, 57, 64, 66, 76, 88, 96, 114, 128, 132, 152, 176, 192, 209, 228, 256, 264, 304, 352, 384, 418, 456, 528, 608, 627, 704, 768, 836, 912, 1056, 1216, 1254, 1408, 1601, 1672, 1824, 2112, 2432, 2508, 2816, 3202, 3344, 3648, 4224, 4803, 4864, 5016, 6404, 6688, 7296, 8448, 9606, 10032, 12808, 13376, 14592, 17611, 19212, 20064, 25616, 26752, 30419, 35222, 38424, 40128, 51232, 52833, 53504, 60838, 70444, 76848, 80256, 91257, 102464, 105666, 121676, 140888, 153696, 160512, 182514, 204928, 211332, 243352, 281776, 307392, 334609, 365028, 409856, 422664, 486704, 563552, 614784, 669218, 730056, 845328, 973408, 1003827, 1127104, 1229568, 1338436, 1460112, 1690656, 1946816, 2007654, 2254208, 2676872, 2920224, 3381312, 3893632, 4015308, 4508416, 5353744, 5840448, 6762624, 7787264, 8030616, 10707488, 11680896, 13525248, 16061232, 21414976, 23361792, 32122464, 42829952, 64244928, 85659904, 128489856, 256979712]

約数ペア:

[(1, 256979712), (2, 128489856), (3, 85659904), (4, 64244928), (6, 42829952), (8, 32122464), (11, 23361792), (12, 21414976), (16, 16061232), (19, 13525248), (22, 11680896), (24, 10707488), (32, 8030616), (33, 7787264), (38, 6762624), (44, 5840448), (48, 5353744), (57, 4508416), (64, 4015308), (66, 3893632), (76, 3381312), (88, 2920224), (96, 2676872), (114, 2254208), (128, 2007654), (132, 1946816), (152, 1690656), (176, 1460112), (192, 1338436), (209, 1229568), (228, 1127104), (256, 1003827), (264, 973408), (304, 845328), (352, 730056), (384, 669218), (418, 614784), (456, 563552), (528, 486704), (608, 422664), (627, 409856), (704, 365028), (768, 334609), (836, 307392), (912, 281776), (1056, 243352), (1216, 211332), (1254, 204928), (1408, 182514), (1601, 160512), (1672, 153696), (1824, 140888), (2112, 121676), (2432, 105666), (2508, 102464), (2816, 91257), (3202, 80256), (3344, 76848), (3648, 70444), (4224, 60838), (4803, 53504), (4864, 52833), (5016, 51232), (6404, 40128), (6688, 38424), (7296, 35222), (8448, 30419), (9606, 26752), (10032, 25616), (12808, 20064), (13376, 19212), (14592, 17611)]