256030944

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{367}}^1$

素因数の和:449

約数の個数: 144

約数和(自身を含む): 746710272

約数和(自身を除く): 490679328

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 43, 48, 52, 78, 86, 96, 104, 129, 156, 169, 172, 208, 258, 312, 338, 344, 367, 416, 507, 516, 559, 624, 676, 688, 734, 1014, 1032, 1101, 1118, 1248, 1352, 1376, 1468, 1677, 2028, 2064, 2202, 2236, 2704, 2936, 3354, 4056, 4128, 4404, 4472, 4771, 5408, 5872, 6708, 7267, 8112, 8808, 8944, 9542, 11744, 13416, 14313, 14534, 15781, 16224, 17616, 17888, 19084, 21801, 26832, 28626, 29068, 31562, 35232, 38168, 43602, 47343, 53664, 57252, 58136, 62023, 63124, 76336, 87204, 94686, 114504, 116272, 124046, 126248, 152672, 174408, 186069, 189372, 205153, 229008, 232544, 248092, 252496, 348816, 372138, 378744, 410306, 458016, 496184, 504992, 615459, 697632, 744276, 757488, 820612, 992368, 1230918, 1488552, 1514976, 1641224, 1984736, 2461836, 2666989, 2977104, 3282448, 4923672, 5333978, 5954208, 6564896, 8000967, 9847344, 10667956, 16001934, 19694688, 21335912, 32003868, 42671824, 64007736, 85343648, 128015472, 256030944]

約数ペア:

[(1, 256030944), (2, 128015472), (3, 85343648), (4, 64007736), (6, 42671824), (8, 32003868), (12, 21335912), (13, 19694688), (16, 16001934), (24, 10667956), (26, 9847344), (32, 8000967), (39, 6564896), (43, 5954208), (48, 5333978), (52, 4923672), (78, 3282448), (86, 2977104), (96, 2666989), (104, 2461836), (129, 1984736), (156, 1641224), (169, 1514976), (172, 1488552), (208, 1230918), (258, 992368), (312, 820612), (338, 757488), (344, 744276), (367, 697632), (416, 615459), (507, 504992), (516, 496184), (559, 458016), (624, 410306), (676, 378744), (688, 372138), (734, 348816), (1014, 252496), (1032, 248092), (1101, 232544), (1118, 229008), (1248, 205153), (1352, 189372), (1376, 186069), (1468, 174408), (1677, 152672), (2028, 126248), (2064, 124046), (2202, 116272), (2236, 114504), (2704, 94686), (2936, 87204), (3354, 76336), (4056, 63124), (4128, 62023), (4404, 58136), (4472, 57252), (4771, 53664), (5408, 47343), (5872, 43602), (6708, 38168), (7267, 35232), (8112, 31562), (8808, 29068), (8944, 28626), (9542, 26832), (11744, 21801), (13416, 19084), (14313, 17888), (14534, 17616), (15781, 16224)]