256829616

素因数分解:

$2^4\times 3^6\times {\mathrm{97}}^1\times {\mathrm{227}}^1$

素因数の和:350

約数の個数: 140

約数和(自身を含む): 757081752

約数和(自身を除く): 500252136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 97, 108, 144, 162, 194, 216, 227, 243, 291, 324, 388, 432, 454, 486, 582, 648, 681, 729, 776, 873, 908, 972, 1164, 1296, 1362, 1458, 1552, 1746, 1816, 1944, 2043, 2328, 2619, 2724, 2916, 3492, 3632, 3888, 4086, 4656, 5238, 5448, 5832, 6129, 6984, 7857, 8172, 10476, 10896, 11664, 12258, 13968, 15714, 16344, 18387, 20952, 22019, 23571, 24516, 31428, 32688, 36774, 41904, 44038, 47142, 49032, 55161, 62856, 66057, 70713, 73548, 88076, 94284, 98064, 110322, 125712, 132114, 141426, 147096, 165483, 176152, 188568, 198171, 220644, 264228, 282852, 294192, 330966, 352304, 377136, 396342, 441288, 528456, 565704, 594513, 661932, 792684, 882576, 1056912, 1131408, 1189026, 1323864, 1585368, 1783539, 2378052, 2647728, 3170736, 3567078, 4756104, 5350617, 7134156, 9512208, 10701234, 14268312, 16051851, 21402468, 28536624, 32103702, 42804936, 64207404, 85609872, 128414808, 256829616]

約数ペア:

[(1, 256829616), (2, 128414808), (3, 85609872), (4, 64207404), (6, 42804936), (8, 32103702), (9, 28536624), (12, 21402468), (16, 16051851), (18, 14268312), (24, 10701234), (27, 9512208), (36, 7134156), (48, 5350617), (54, 4756104), (72, 3567078), (81, 3170736), (97, 2647728), (108, 2378052), (144, 1783539), (162, 1585368), (194, 1323864), (216, 1189026), (227, 1131408), (243, 1056912), (291, 882576), (324, 792684), (388, 661932), (432, 594513), (454, 565704), (486, 528456), (582, 441288), (648, 396342), (681, 377136), (729, 352304), (776, 330966), (873, 294192), (908, 282852), (972, 264228), (1164, 220644), (1296, 198171), (1362, 188568), (1458, 176152), (1552, 165483), (1746, 147096), (1816, 141426), (1944, 132114), (2043, 125712), (2328, 110322), (2619, 98064), (2724, 94284), (2916, 88076), (3492, 73548), (3632, 70713), (3888, 66057), (4086, 62856), (4656, 55161), (5238, 49032), (5448, 47142), (5832, 44038), (6129, 41904), (6984, 36774), (7857, 32688), (8172, 31428), (10476, 24516), (10896, 23571), (11664, 22019), (12258, 20952), (13968, 18387), (15714, 16344)]