256675536

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4423}}^1$

素因数の和:4481

約数の個数: 120

約数和(自身を含む): 798726656

約数和(自身を除く): 542051120

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 31, 36, 39, 48, 52, 62, 72, 78, 93, 104, 117, 124, 144, 156, 186, 208, 234, 248, 279, 312, 372, 403, 468, 496, 558, 624, 744, 806, 936, 1116, 1209, 1488, 1612, 1872, 2232, 2418, 3224, 3627, 4423, 4464, 4836, 6448, 7254, 8846, 9672, 13269, 14508, 17692, 19344, 26538, 29016, 35384, 39807, 53076, 57499, 58032, 70768, 79614, 106152, 114998, 137113, 159228, 172497, 212304, 229996, 274226, 318456, 344994, 411339, 459992, 517491, 548452, 636912, 689988, 822678, 919984, 1034982, 1096904, 1234017, 1379976, 1645356, 1782469, 2069964, 2193808, 2468034, 2759952, 3290712, 3564938, 4139928, 4936068, 5347407, 6581424, 7129876, 8279856, 9872136, 10694814, 14259752, 16042221, 19744272, 21389628, 28519504, 32084442, 42779256, 64168884, 85558512, 128337768, 256675536]

約数ペア:

[(1, 256675536), (2, 128337768), (3, 85558512), (4, 64168884), (6, 42779256), (8, 32084442), (9, 28519504), (12, 21389628), (13, 19744272), (16, 16042221), (18, 14259752), (24, 10694814), (26, 9872136), (31, 8279856), (36, 7129876), (39, 6581424), (48, 5347407), (52, 4936068), (62, 4139928), (72, 3564938), (78, 3290712), (93, 2759952), (104, 2468034), (117, 2193808), (124, 2069964), (144, 1782469), (156, 1645356), (186, 1379976), (208, 1234017), (234, 1096904), (248, 1034982), (279, 919984), (312, 822678), (372, 689988), (403, 636912), (468, 548452), (496, 517491), (558, 459992), (624, 411339), (744, 344994), (806, 318456), (936, 274226), (1116, 229996), (1209, 212304), (1488, 172497), (1612, 159228), (1872, 137113), (2232, 114998), (2418, 106152), (3224, 79614), (3627, 70768), (4423, 58032), (4464, 57499), (4836, 53076), (6448, 39807), (7254, 35384), (8846, 29016), (9672, 26538), (13269, 19344), (14508, 17692)]